20661720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172181}}^1$

素因数の和:172195

約数の個数: 32

約数和(自身を含む): 61985520

約数和(自身を除く): 41323800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172181, 344362, 516543, 688724, 860905, 1033086, 1377448, 1721810, 2066172, 2582715, 3443620, 4132344, 5165430, 6887240, 10330860, 20661720]

約数ペア:

[(1, 20661720), (2, 10330860), (3, 6887240), (4, 5165430), (5, 4132344), (6, 3443620), (8, 2582715), (10, 2066172), (12, 1721810), (15, 1377448), (20, 1033086), (24, 860905), (30, 688724), (40, 516543), (60, 344362), (120, 172181)]