20375452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2011}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 38026800

約数和(自身を除く): 17651348

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 2011, 2533, 4022, 5066, 8044, 10132, 34187, 68374, 136748, 299639, 599278, 1198556, 5093863, 10187726, 20375452]

約数ペア:

[(1, 20375452), (2, 10187726), (4, 5093863), (17, 1198556), (34, 599278), (68, 299639), (149, 136748), (298, 68374), (596, 34187), (2011, 10132), (2533, 8044), (4022, 5066)]