20898713472

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31477}}^1$

素因数の和:31533

約数の個数: 256

約数和(自身を含む): 71920934400

約数和(自身を除く): 51022220928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 32, 38, 39, 42, 48, 52, 56, 57, 64, 76, 78, 84, 91, 96, 104, 112, 114, 128, 133, 152, 156, 168, 182, 192, 208, 224, 228, 247, 266, 273, 304, 312, 336, 364, 384, 399, 416, 448, 456, 494, 532, 546, 608, 624, 672, 728, 741, 798, 832, 896, 912, 988, 1064, 1092, 1216, 1248, 1344, 1456, 1482, 1596, 1664, 1729, 1824, 1976, 2128, 2184, 2432, 2496, 2688, 2912, 2964, 3192, 3458, 3648, 3952, 4256, 4368, 4992, 5187, 5824, 5928, 6384, 6916, 7296, 7904, 8512, 8736, 10374, 11648, 11856, 12768, 13832, 15808, 17024, 17472, 20748, 23712, 25536, 27664, 31477, 31616, 34944, 41496, 47424, 51072, 55328, 62954, 82992, 94431, 94848, 110656, 125908, 165984, 188862, 220339, 221312, 251816, 331968, 377724, 409201, 440678, 503632, 598063, 661017, 663936, 755448, 818402, 881356, 1007264, 1196126, 1227603, 1322034, 1510896, 1636804, 1762712, 1794189, 2014528, 2392252, 2455206, 2644068, 2864407, 3021792, 3273608, 3525424, 3588378, 4029056, 4186441, 4784504, 4910412, 5288136, 5728814, 6043584, 6547216, 7050848, 7176756, 7774819, 8372882, 8593221, 9569008, 9820824, 10576272, 11457628, 12087168, 12559323, 13094432, 14101696, 14353512, 15549638, 16745764, 17186442, 19138016, 19641648, 21152544, 22915256, 23324457, 25118646, 26188864, 28203392, 28707024, 31099276, 33491528, 34372884, 38276032, 39283296, 42305088, 45830512, 46648914, 50237292, 52377728, 54423733, 57414048, 62198552, 66983056, 68745768, 76552064, 78566592, 84610176, 91661024, 93297828, 100474584, 108847466, 114828096, 124397104, 133966112, 137491536, 157133184, 163271199, 183322048, 186595656, 200949168, 217694932, 229656192, 248794208, 267932224, 274983072, 326542398, 366644096, 373191312, 401898336, 435389864, 497588416, 535864448, 549966144, 653084796, 746382624, 803796672, 870779728, 995176832, 1099932288, 1306169592, 1492765248, 1607593344, 1741559456, 2612339184, 2985530496, 3483118912, 5224678368, 6966237824, 10449356736, 20898713472]

約数ペア:

[(1, 20898713472), (2, 10449356736), (3, 6966237824), (4, 5224678368), (6, 3483118912), (7, 2985530496), (8, 2612339184), (12, 1741559456), (13, 1607593344), (14, 1492765248), (16, 1306169592), (19, 1099932288), (21, 995176832), (24, 870779728), (26, 803796672), (28, 746382624), (32, 653084796), (38, 549966144), (39, 535864448), (42, 497588416), (48, 435389864), (52, 401898336), (56, 373191312), (57, 366644096), (64, 326542398), (76, 274983072), (78, 267932224), (84, 248794208), (91, 229656192), (96, 217694932), (104, 200949168), (112, 186595656), (114, 183322048), (128, 163271199), (133, 157133184), (152, 137491536), (156, 133966112), (168, 124397104), (182, 114828096), (192, 108847466), (208, 100474584), (224, 93297828), (228, 91661024), (247, 84610176), (266, 78566592), (273, 76552064), (304, 68745768), (312, 66983056), (336, 62198552), (364, 57414048), (384, 54423733), (399, 52377728), (416, 50237292), (448, 46648914), (456, 45830512), (494, 42305088), (532, 39283296), (546, 38276032), (608, 34372884), (624, 33491528), (672, 31099276), (728, 28707024), (741, 28203392), (798, 26188864), (832, 25118646), (896, 23324457), (912, 22915256), (988, 21152544), (1064, 19641648), (1092, 19138016), (1216, 17186442), (1248, 16745764), (1344, 15549638), (1456, 14353512), (1482, 14101696), (1596, 13094432), (1664, 12559323), (1729, 12087168), (1824, 11457628), (1976, 10576272), (2128, 9820824), (2184, 9569008), (2432, 8593221), (2496, 8372882), (2688, 7774819), (2912, 7176756), (2964, 7050848), (3192, 6547216), (3458, 6043584), (3648, 5728814), (3952, 5288136), (4256, 4910412), (4368, 4784504), (4992, 4186441), (5187, 4029056), (5824, 3588378), (5928, 3525424), (6384, 3273608), (6916, 3021792), (7296, 2864407), (7904, 2644068), (8512, 2455206), (8736, 2392252), (10374, 2014528), (11648, 1794189), (11856, 1762712), (12768, 1636804), (13832, 1510896), (15808, 1322034), (17024, 1227603), (17472, 1196126), (20748, 1007264), (23712, 881356), (25536, 818402), (27664, 755448), (31477, 663936), (31616, 661017), (34944, 598063), (41496, 503632), (47424, 440678), (51072, 409201), (55328, 377724), (62954, 331968), (82992, 251816), (94431, 221312), (94848, 220339), (110656, 188862), (125908, 165984)]