20017860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333631}}^1$

素因数の和:333643

約数の個数: 24

約数和(自身を含む): 56050176

約数和(自身を除く): 36032316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333631, 667262, 1000893, 1334524, 1668155, 2001786, 3336310, 4003572, 5004465, 6672620, 10008930, 20017860]

約数ペア:

[(1, 20017860), (2, 10008930), (3, 6672620), (4, 5004465), (5, 4003572), (6, 3336310), (10, 2001786), (12, 1668155), (15, 1334524), (20, 1000893), (30, 667262), (60, 333631)]