20166740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2957}}^1$

素因数の和:3008

約数の個数: 48

約数和(自身を含む): 47706624

約数和(自身を除く): 27539884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2957, 3410, 5914, 6820, 11828, 14785, 29570, 32527, 59140, 65054, 91667, 130108, 162635, 183334, 325270, 366668, 458335, 650540, 916670, 1008337, 1833340, 2016674, 4033348, 5041685, 10083370, 20166740]

約数ペア:

[(1, 20166740), (2, 10083370), (4, 5041685), (5, 4033348), (10, 2016674), (11, 1833340), (20, 1008337), (22, 916670), (31, 650540), (44, 458335), (55, 366668), (62, 325270), (110, 183334), (124, 162635), (155, 130108), (220, 91667), (310, 65054), (341, 59140), (620, 32527), (682, 29570), (1364, 14785), (1705, 11828), (2957, 6820), (3410, 5914)]