20217720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{168481}}^1$

素因数の和:168495

約数の個数: 32

約数和(自身を含む): 60653520

約数和(自身を除く): 40435800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 168481, 336962, 505443, 673924, 842405, 1010886, 1347848, 1684810, 2021772, 2527215, 3369620, 4043544, 5054430, 6739240, 10108860, 20217720]

約数ペア:

[(1, 20217720), (2, 10108860), (3, 6739240), (4, 5054430), (5, 4043544), (6, 3369620), (8, 2527215), (10, 2021772), (12, 1684810), (15, 1347848), (20, 1010886), (24, 842405), (30, 673924), (40, 505443), (60, 336962), (120, 168481)]