20178254870

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{718343}}^1$

素因数の和:718456

約数の個数: 24

約数和(自身を含む): 37019139696

約数和(自身を除く): 16840884826

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 2809, 5618, 14045, 28090, 718343, 1436686, 3591715, 7183430, 38072179, 76144358, 190360895, 380721790, 2017825487, 4035650974, 10089127435, 20178254870]

約数ペア:

[(1, 20178254870), (2, 10089127435), (5, 4035650974), (10, 2017825487), (53, 380721790), (106, 190360895), (265, 76144358), (530, 38072179), (2809, 7183430), (5618, 3591715), (14045, 1436686), (28090, 718343)]