16647620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2492

約数の個数: 48

約数和(自身を含む): 39384576

約数和(自身を除く): 22736956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2441, 3410, 4882, 6820, 9764, 12205, 24410, 26851, 48820, 53702, 75671, 107404, 134255, 151342, 268510, 302684, 378355, 537020, 756710, 832381, 1513420, 1664762, 3329524, 4161905, 8323810, 16647620]

約数ペア:

[(1, 16647620), (2, 8323810), (4, 4161905), (5, 3329524), (10, 1664762), (11, 1513420), (20, 832381), (22, 756710), (31, 537020), (44, 378355), (55, 302684), (62, 268510), (110, 151342), (124, 134255), (155, 107404), (220, 75671), (310, 53702), (341, 48820), (620, 26851), (682, 24410), (1364, 12205), (1705, 9764), (2441, 6820), (3410, 4882)]