20940132920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74786189}}^1$

素因数の和:74786207

約数の個数: 32

約数和(自身を含む): 53846056800

約数和(自身を除く): 32905923880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74786189, 149572378, 299144756, 373930945, 523503323, 598289512, 747861890, 1047006646, 1495723780, 2094013292, 2617516615, 2991447560, 4188026584, 5235033230, 10470066460, 20940132920]

約数ペア:

[(1, 20940132920), (2, 10470066460), (4, 5235033230), (5, 4188026584), (7, 2991447560), (8, 2617516615), (10, 2094013292), (14, 1495723780), (20, 1047006646), (28, 747861890), (35, 598289512), (40, 523503323), (56, 373930945), (70, 299144756), (140, 149572378), (280, 74786189)]