20257575520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1391317}}^1$

素因数の和:1391352

約数の個数: 96

約数和(自身を含む): 58902838848

約数和(自身を除く): 38645263328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 1391317, 2782634, 5565268, 6956585, 9739219, 11130536, 13913170, 18087121, 19478438, 22261072, 27826340, 36174242, 38956876, 44522144, 48696095, 55652680, 72348484, 77913752, 90435605, 97392190, 111305360, 126609847, 144696968, 155827504, 180871210, 194784380, 222610720, 253219694, 289393936, 311655008, 361742420, 389568760, 506439388, 578787872, 633049235, 723484840, 779137520, 1012878776, 1266098470, 1446969680, 1558275040, 2025757552, 2532196940, 2893939360, 4051515104, 5064393880, 10128787760, 20257575520]

約数ペア:

[(1, 20257575520), (2, 10128787760), (4, 5064393880), (5, 4051515104), (7, 2893939360), (8, 2532196940), (10, 2025757552), (13, 1558275040), (14, 1446969680), (16, 1266098470), (20, 1012878776), (26, 779137520), (28, 723484840), (32, 633049235), (35, 578787872), (40, 506439388), (52, 389568760), (56, 361742420), (65, 311655008), (70, 289393936), (80, 253219694), (91, 222610720), (104, 194784380), (112, 180871210), (130, 155827504), (140, 144696968), (160, 126609847), (182, 111305360), (208, 97392190), (224, 90435605), (260, 77913752), (280, 72348484), (364, 55652680), (416, 48696095), (455, 44522144), (520, 38956876), (560, 36174242), (728, 27826340), (910, 22261072), (1040, 19478438), (1120, 18087121), (1456, 13913170), (1820, 11130536), (2080, 9739219), (2912, 6956585), (3640, 5565268), (7280, 2782634), (14560, 1391317)]