20660520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172171}}^1$

素因数の和:172185

約数の個数: 32

約数和(自身を含む): 61981920

約数和(自身を除く): 41321400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172171, 344342, 516513, 688684, 860855, 1033026, 1377368, 1721710, 2066052, 2582565, 3443420, 4132104, 5165130, 6886840, 10330260, 20660520]

約数ペア:

[(1, 20660520), (2, 10330260), (3, 6886840), (4, 5165130), (5, 4132104), (6, 3443420), (8, 2582565), (10, 2066052), (12, 1721710), (15, 1377368), (20, 1033026), (24, 860855), (30, 688684), (40, 516513), (60, 344342), (120, 172171)]