20626390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 38561184

約数和(自身を除く): 17934794

約数列:

[1, 2, 5, 10, 37, 74, 107, 185, 214, 370, 521, 535, 1042, 1070, 2605, 3959, 5210, 7918, 19277, 19795, 38554, 39590, 55747, 96385, 111494, 192770, 278735, 557470, 2062639, 4125278, 10313195, 20626390]

約数ペア:

[(1, 20626390), (2, 10313195), (5, 4125278), (10, 2062639), (37, 557470), (74, 278735), (107, 192770), (185, 111494), (214, 96385), (370, 55747), (521, 39590), (535, 38554), (1042, 19795), (1070, 19277), (2605, 7918), (3959, 5210)]