20394840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169957}}^1$

素因数の和:169971

約数の個数: 32

約数和(自身を含む): 61184880

約数和(自身を除く): 40790040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169957, 339914, 509871, 679828, 849785, 1019742, 1359656, 1699570, 2039484, 2549355, 3399140, 4078968, 5098710, 6798280, 10197420, 20394840]

約数ペア:

[(1, 20394840), (2, 10197420), (3, 6798280), (4, 5098710), (5, 4078968), (6, 3399140), (8, 2549355), (10, 2039484), (12, 1699570), (15, 1359656), (20, 1019742), (24, 849785), (30, 679828), (40, 509871), (60, 339914), (120, 169957)]