20741372

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 16353028

約数列:

[1, 2, 4, 71, 142, 199, 284, 367, 398, 734, 796, 1468, 14129, 26057, 28258, 52114, 56516, 73033, 104228, 146066, 292132, 5185343, 10370686, 20741372]

約数ペア:

[(1, 20741372), (2, 10370686), (4, 5185343), (71, 292132), (142, 146066), (199, 104228), (284, 73033), (367, 56516), (398, 52114), (734, 28258), (796, 26057), (1468, 14129)]