20163770620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1\times {\mathrm{1063}}^1$

素因数の和:2099

約数の個数: 96

約数和(自身を含む): 48803586048

約数和(自身を除く): 28639815428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 863, 1063, 1099, 1570, 1726, 2126, 2198, 3140, 3452, 4252, 4315, 4396, 5315, 5495, 6041, 7441, 8630, 10630, 10990, 12082, 14882, 17260, 21260, 21980, 24164, 29764, 30205, 37205, 60410, 74410, 120820, 135491, 148820, 166891, 270982, 333782, 541964, 667564, 677455, 834455, 917369, 948437, 1168237, 1354910, 1668910, 1834738, 1896874, 2336474, 2709820, 3337820, 3669476, 3793748, 4586845, 4672948, 4742185, 5841185, 6421583, 9173690, 9484370, 11682370, 12843166, 18347380, 18968740, 23364740, 25686332, 32107915, 64215830, 128431660, 144026933, 288053866, 576107732, 720134665, 1008188531, 1440269330, 2016377062, 2880538660, 4032754124, 5040942655, 10081885310, 20163770620]

約数ペア:

[(1, 20163770620), (2, 10081885310), (4, 5040942655), (5, 4032754124), (7, 2880538660), (10, 2016377062), (14, 1440269330), (20, 1008188531), (28, 720134665), (35, 576107732), (70, 288053866), (140, 144026933), (157, 128431660), (314, 64215830), (628, 32107915), (785, 25686332), (863, 23364740), (1063, 18968740), (1099, 18347380), (1570, 12843166), (1726, 11682370), (2126, 9484370), (2198, 9173690), (3140, 6421583), (3452, 5841185), (4252, 4742185), (4315, 4672948), (4396, 4586845), (5315, 3793748), (5495, 3669476), (6041, 3337820), (7441, 2709820), (8630, 2336474), (10630, 1896874), (10990, 1834738), (12082, 1668910), (14882, 1354910), (17260, 1168237), (21260, 948437), (21980, 917369), (24164, 834455), (29764, 677455), (30205, 667564), (37205, 541964), (60410, 333782), (74410, 270982), (120820, 166891), (135491, 148820)]