20782920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173191}}^1$

素因数の和:173205

約数の個数: 32

約数和(自身を含む): 62349120

約数和(自身を除く): 41566200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173191, 346382, 519573, 692764, 865955, 1039146, 1385528, 1731910, 2078292, 2597865, 3463820, 4156584, 5195730, 6927640, 10391460, 20782920]

約数ペア:

[(1, 20782920), (2, 10391460), (3, 6927640), (4, 5195730), (5, 4156584), (6, 3463820), (8, 2597865), (10, 2078292), (12, 1731910), (15, 1385528), (20, 1039146), (24, 865955), (30, 692764), (40, 519573), (60, 346382), (120, 173191)]