20064260020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1\times {\mathrm{2131}}^1$

素因数の和:2873

約数の個数: 96

約数和(自身を含む): 48697608960

約数和(自身を除く): 28633348940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 617, 763, 1090, 1234, 1526, 2131, 2180, 2468, 3052, 3085, 3815, 4262, 4319, 6170, 7630, 8524, 8638, 10655, 12340, 14917, 15260, 17276, 21310, 21595, 29834, 42620, 43190, 59668, 67253, 74585, 86380, 134506, 149170, 232279, 269012, 298340, 336265, 464558, 470771, 672530, 929116, 941542, 1161395, 1314827, 1345060, 1625953, 1883084, 2322790, 2353855, 2629654, 3251906, 4645580, 4707710, 5259308, 6503812, 6574135, 8129765, 9203789, 9415420, 13148270, 16259530, 18407578, 26296540, 32519060, 36815156, 46018945, 92037890, 143316143, 184075780, 286632286, 573264572, 716580715, 1003213001, 1433161430, 2006426002, 2866322860, 4012852004, 5016065005, 10032130010, 20064260020]

約数ペア:

[(1, 20064260020), (2, 10032130010), (4, 5016065005), (5, 4012852004), (7, 2866322860), (10, 2006426002), (14, 1433161430), (20, 1003213001), (28, 716580715), (35, 573264572), (70, 286632286), (109, 184075780), (140, 143316143), (218, 92037890), (436, 46018945), (545, 36815156), (617, 32519060), (763, 26296540), (1090, 18407578), (1234, 16259530), (1526, 13148270), (2131, 9415420), (2180, 9203789), (2468, 8129765), (3052, 6574135), (3085, 6503812), (3815, 5259308), (4262, 4707710), (4319, 4645580), (6170, 3251906), (7630, 2629654), (8524, 2353855), (8638, 2322790), (10655, 1883084), (12340, 1625953), (14917, 1345060), (15260, 1314827), (17276, 1161395), (21310, 941542), (21595, 929116), (29834, 672530), (42620, 470771), (43190, 464558), (59668, 336265), (67253, 298340), (74585, 269012), (86380, 232279), (134506, 149170)]