20731694704

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{31063}}^1$

素因数の和:31238

約数の個数: 80

約数和(自身を含む): 47147696640

約数和(自身を除く): 26416001936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 101, 112, 118, 202, 236, 404, 413, 472, 707, 808, 826, 944, 1414, 1616, 1652, 2828, 3304, 5656, 5959, 6608, 11312, 11918, 23836, 31063, 41713, 47672, 62126, 83426, 95344, 124252, 166852, 217441, 248504, 333704, 434882, 497008, 667408, 869764, 1739528, 1832717, 3137363, 3479056, 3665434, 6274726, 7330868, 12549452, 12829019, 14661736, 21961541, 25098904, 25658038, 29323472, 43923082, 50197808, 51316076, 87846164, 102632152, 175692328, 185104417, 205264304, 351384656, 370208834, 740417668, 1295730919, 1480835336, 2591461838, 2961670672, 5182923676, 10365847352, 20731694704]

約数ペア:

[(1, 20731694704), (2, 10365847352), (4, 5182923676), (7, 2961670672), (8, 2591461838), (14, 1480835336), (16, 1295730919), (28, 740417668), (56, 370208834), (59, 351384656), (101, 205264304), (112, 185104417), (118, 175692328), (202, 102632152), (236, 87846164), (404, 51316076), (413, 50197808), (472, 43923082), (707, 29323472), (808, 25658038), (826, 25098904), (944, 21961541), (1414, 14661736), (1616, 12829019), (1652, 12549452), (2828, 7330868), (3304, 6274726), (5656, 3665434), (5959, 3479056), (6608, 3137363), (11312, 1832717), (11918, 1739528), (23836, 869764), (31063, 667408), (41713, 497008), (47672, 434882), (62126, 333704), (83426, 248504), (95344, 217441), (124252, 166852)]