20062120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{941}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 49850640

約数和(自身を除く): 29788520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 941, 1066, 1640, 1882, 2132, 2665, 3764, 4264, 4705, 5330, 7528, 9410, 10660, 12233, 18820, 21320, 24466, 37640, 38581, 48932, 61165, 77162, 97864, 122330, 154324, 192905, 244660, 308648, 385810, 489320, 501553, 771620, 1003106, 1543240, 2006212, 2507765, 4012424, 5015530, 10031060, 20062120]

約数ペア:

[(1, 20062120), (2, 10031060), (4, 5015530), (5, 4012424), (8, 2507765), (10, 2006212), (13, 1543240), (20, 1003106), (26, 771620), (40, 501553), (41, 489320), (52, 385810), (65, 308648), (82, 244660), (104, 192905), (130, 154324), (164, 122330), (205, 97864), (260, 77162), (328, 61165), (410, 48932), (520, 38581), (533, 37640), (820, 24466), (941, 21320), (1066, 18820), (1640, 12233), (1882, 10660), (2132, 9410), (2665, 7528), (3764, 5330), (4264, 4705)]