29978020

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5531}}^1$

素因数の和:5811

約数の個数: 24

約数和(自身を含む): 63197568

約数和(自身を除く): 33219548

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 5531, 11062, 22124, 27655, 55310, 110620, 1498901, 2997802, 5995604, 7494505, 14989010, 29978020]

約数ペア:

[(1, 29978020), (2, 14989010), (4, 7494505), (5, 5995604), (10, 2997802), (20, 1498901), (271, 110620), (542, 55310), (1084, 27655), (1355, 22124), (2710, 11062), (5420, 5531)]