20565576020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1861}}^1\times {\mathrm{50231}}^1$

素因数の和:52112

約数の個数: 48

約数和(自身を含む): 47140119936

約数和(自身を除く): 26574543916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1861, 3722, 7444, 9305, 18610, 20471, 37220, 40942, 50231, 81884, 100462, 102355, 200924, 204710, 251155, 409420, 502310, 552541, 1004620, 1105082, 2210164, 2762705, 5525410, 11050820, 93479891, 186959782, 373919564, 467399455, 934798910, 1028278801, 1869597820, 2056557602, 4113115204, 5141394005, 10282788010, 20565576020]

約数ペア:

[(1, 20565576020), (2, 10282788010), (4, 5141394005), (5, 4113115204), (10, 2056557602), (11, 1869597820), (20, 1028278801), (22, 934798910), (44, 467399455), (55, 373919564), (110, 186959782), (220, 93479891), (1861, 11050820), (3722, 5525410), (7444, 2762705), (9305, 2210164), (18610, 1105082), (20471, 1004620), (37220, 552541), (40942, 502310), (50231, 409420), (81884, 251155), (100462, 204710), (102355, 200924)]