20529090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{743}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 53621568

約数和(自身を除く): 33092478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 307, 614, 743, 921, 1486, 1535, 1842, 2229, 2763, 3070, 3715, 4458, 4605, 5526, 6687, 7430, 9210, 11145, 13374, 13815, 22290, 27630, 33435, 66870, 228101, 456202, 684303, 1140505, 1368606, 2052909, 2281010, 3421515, 4105818, 6843030, 10264545, 20529090]

約数ペア:

[(1, 20529090), (2, 10264545), (3, 6843030), (5, 4105818), (6, 3421515), (9, 2281010), (10, 2052909), (15, 1368606), (18, 1140505), (30, 684303), (45, 456202), (90, 228101), (307, 66870), (614, 33435), (743, 27630), (921, 22290), (1486, 13815), (1535, 13374), (1842, 11145), (2229, 9210), (2763, 7430), (3070, 6687), (3715, 5526), (4458, 4605)]