20048091908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 192

約数和(自身を含む): 43421495040

約数和(自身を除く): 23373403132

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 73, 76, 83, 146, 166, 197, 221, 247, 292, 323, 332, 394, 442, 494, 646, 788, 884, 949, 988, 1079, 1241, 1292, 1387, 1411, 1577, 1898, 2158, 2482, 2561, 2774, 2822, 3154, 3349, 3743, 3796, 4199, 4316, 4964, 5122, 5548, 5644, 6059, 6308, 6698, 7486, 8398, 10244, 12118, 13396, 14381, 14972, 16133, 16351, 16796, 18031, 18343, 20501, 23579, 24236, 26809, 28762, 32266, 32702, 36062, 36686, 41002, 43537, 47158, 48659, 53618, 57524, 63631, 64532, 65404, 72124, 73372, 78767, 82004, 87074, 94316, 97318, 103003, 107236, 115121, 127262, 157534, 174148, 186953, 194636, 206006, 212563, 230242, 244477, 254524, 273239, 277967, 306527, 310669, 315068, 348517, 373906, 412012, 425126, 460484, 488954, 546478, 555934, 613054, 621338, 697034, 747812, 827203, 850252, 977908, 1092956, 1111868, 1193623, 1226108, 1242676, 1339039, 1394068, 1496573, 1654406, 1957057, 2387246, 2678078, 2993146, 3178201, 3308812, 3552107, 3613571, 3914114, 4038697, 4645063, 4774492, 5281373, 5356156, 5986292, 6356402, 7104214, 7227142, 7828228, 8077394, 9290126, 10562746, 12712804, 14208428, 14454284, 15517099, 16154788, 18580252, 20291591, 21125492, 22678837, 25441741, 31034198, 40583182, 45357674, 50883482, 60385819, 62068396, 68657849, 81166364, 90715348, 101766964, 120771638, 137315698, 241543276, 263790683, 274631396, 294824881, 385540229, 527581366, 589649762, 771080458, 1055162732, 1179299524, 1542160916, 5012022977, 10024045954, 20048091908]

約数ペア:

[(1, 20048091908), (2, 10024045954), (4, 5012022977), (13, 1542160916), (17, 1179299524), (19, 1055162732), (26, 771080458), (34, 589649762), (38, 527581366), (52, 385540229), (68, 294824881), (73, 274631396), (76, 263790683), (83, 241543276), (146, 137315698), (166, 120771638), (197, 101766964), (221, 90715348), (247, 81166364), (292, 68657849), (323, 62068396), (332, 60385819), (394, 50883482), (442, 45357674), (494, 40583182), (646, 31034198), (788, 25441741), (884, 22678837), (949, 21125492), (988, 20291591), (1079, 18580252), (1241, 16154788), (1292, 15517099), (1387, 14454284), (1411, 14208428), (1577, 12712804), (1898, 10562746), (2158, 9290126), (2482, 8077394), (2561, 7828228), (2774, 7227142), (2822, 7104214), (3154, 6356402), (3349, 5986292), (3743, 5356156), (3796, 5281373), (4199, 4774492), (4316, 4645063), (4964, 4038697), (5122, 3914114), (5548, 3613571), (5644, 3552107), (6059, 3308812), (6308, 3178201), (6698, 2993146), (7486, 2678078), (8398, 2387246), (10244, 1957057), (12118, 1654406), (13396, 1496573), (14381, 1394068), (14972, 1339039), (16133, 1242676), (16351, 1226108), (16796, 1193623), (18031, 1111868), (18343, 1092956), (20501, 977908), (23579, 850252), (24236, 827203), (26809, 747812), (28762, 697034), (32266, 621338), (32702, 613054), (36062, 555934), (36686, 546478), (41002, 488954), (43537, 460484), (47158, 425126), (48659, 412012), (53618, 373906), (57524, 348517), (63631, 315068), (64532, 310669), (65404, 306527), (72124, 277967), (73372, 273239), (78767, 254524), (82004, 244477), (87074, 230242), (94316, 212563), (97318, 206006), (103003, 194636), (107236, 186953), (115121, 174148), (127262, 157534)]