20920681728

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:946

約数の個数: 288

約数和(自身を含む): 65491395200

約数和(自身を除く): 44570713472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 241, 256, 288, 304, 342, 384, 432, 456, 482, 513, 576, 608, 661, 684, 723, 768, 864, 912, 964, 1026, 1152, 1216, 1322, 1368, 1446, 1728, 1824, 1928, 1983, 2052, 2169, 2304, 2432, 2644, 2736, 2892, 3456, 3648, 3856, 3966, 4104, 4338, 4579, 4864, 5288, 5472, 5784, 5949, 6507, 6912, 7296, 7712, 7932, 8208, 8676, 9158, 10576, 10944, 11568, 11898, 12559, 13014, 13737, 14592, 15424, 15864, 16416, 17352, 17847, 18316, 21152, 21888, 23136, 23796, 25118, 26028, 27474, 30848, 31728, 32832, 34704, 35694, 36632, 37677, 41211, 42304, 43776, 46272, 47592, 50236, 52056, 54948, 61696, 63456, 65664, 69408, 71388, 73264, 75354, 82422, 84608, 92544, 95184, 100472, 104112, 109896, 113031, 123633, 126912, 131328, 138816, 142776, 146528, 150708, 159301, 164844, 169216, 185088, 190368, 200944, 208224, 219792, 226062, 247266, 253824, 277632, 285552, 293056, 301416, 318602, 329688, 339093, 380736, 401888, 416448, 439584, 452124, 477903, 494532, 507648, 555264, 571104, 586112, 602832, 637204, 659376, 678186, 761472, 803776, 832896, 879168, 904248, 955806, 989064, 1142208, 1172224, 1205664, 1274408, 1318752, 1356372, 1433709, 1522944, 1607552, 1665792, 1758336, 1808496, 1911612, 1978128, 2284416, 2411328, 2548816, 2637504, 2712744, 2867418, 3026719, 3215104, 3516672, 3616992, 3823224, 3956256, 4301127, 4568832, 4822656, 5097632, 5275008, 5425488, 5734836, 6053438, 7233984, 7646448, 7912512, 8602254, 9080157, 9645312, 10195264, 10550016, 10850976, 11469672, 12106876, 14467968, 15292896, 15825024, 17204508, 18160314, 20390528, 21701952, 22939344, 24213752, 27240471, 28935936, 30585792, 31650048, 34409016, 36320628, 40781056, 43403904, 45878688, 48427504, 54480942, 61171584, 68818032, 72641256, 81721413, 86807808, 91757376, 96855008, 108961884, 122343168, 137636064, 145282512, 163442826, 183514752, 193710016, 217923768, 275272128, 290565024, 326885652, 367029504, 387420032, 435847536, 550544256, 581130048, 653771304, 774840064, 871695072, 1101088512, 1162260096, 1307542608, 1743390144, 2324520192, 2615085216, 3486780288, 5230170432, 6973560576, 10460340864, 20920681728]

約数ペア:

[(1, 20920681728), (2, 10460340864), (3, 6973560576), (4, 5230170432), (6, 3486780288), (8, 2615085216), (9, 2324520192), (12, 1743390144), (16, 1307542608), (18, 1162260096), (19, 1101088512), (24, 871695072), (27, 774840064), (32, 653771304), (36, 581130048), (38, 550544256), (48, 435847536), (54, 387420032), (57, 367029504), (64, 326885652), (72, 290565024), (76, 275272128), (96, 217923768), (108, 193710016), (114, 183514752), (128, 163442826), (144, 145282512), (152, 137636064), (171, 122343168), (192, 108961884), (216, 96855008), (228, 91757376), (241, 86807808), (256, 81721413), (288, 72641256), (304, 68818032), (342, 61171584), (384, 54480942), (432, 48427504), (456, 45878688), (482, 43403904), (513, 40781056), (576, 36320628), (608, 34409016), (661, 31650048), (684, 30585792), (723, 28935936), (768, 27240471), (864, 24213752), (912, 22939344), (964, 21701952), (1026, 20390528), (1152, 18160314), (1216, 17204508), (1322, 15825024), (1368, 15292896), (1446, 14467968), (1728, 12106876), (1824, 11469672), (1928, 10850976), (1983, 10550016), (2052, 10195264), (2169, 9645312), (2304, 9080157), (2432, 8602254), (2644, 7912512), (2736, 7646448), (2892, 7233984), (3456, 6053438), (3648, 5734836), (3856, 5425488), (3966, 5275008), (4104, 5097632), (4338, 4822656), (4579, 4568832), (4864, 4301127), (5288, 3956256), (5472, 3823224), (5784, 3616992), (5949, 3516672), (6507, 3215104), (6912, 3026719), (7296, 2867418), (7712, 2712744), (7932, 2637504), (8208, 2548816), (8676, 2411328), (9158, 2284416), (10576, 1978128), (10944, 1911612), (11568, 1808496), (11898, 1758336), (12559, 1665792), (13014, 1607552), (13737, 1522944), (14592, 1433709), (15424, 1356372), (15864, 1318752), (16416, 1274408), (17352, 1205664), (17847, 1172224), (18316, 1142208), (21152, 989064), (21888, 955806), (23136, 904248), (23796, 879168), (25118, 832896), (26028, 803776), (27474, 761472), (30848, 678186), (31728, 659376), (32832, 637204), (34704, 602832), (35694, 586112), (36632, 571104), (37677, 555264), (41211, 507648), (42304, 494532), (43776, 477903), (46272, 452124), (47592, 439584), (50236, 416448), (52056, 401888), (54948, 380736), (61696, 339093), (63456, 329688), (65664, 318602), (69408, 301416), (71388, 293056), (73264, 285552), (75354, 277632), (82422, 253824), (84608, 247266), (92544, 226062), (95184, 219792), (100472, 208224), (104112, 200944), (109896, 190368), (113031, 185088), (123633, 169216), (126912, 164844), (131328, 159301), (138816, 150708), (142776, 146528)]