20171869456

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30749801}}^1$

素因数の和:30749850

約数の個数: 20

約数和(自身を含む): 40036242204

約数和(自身を除く): 19864372748

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30749801, 61499602, 122999204, 245998408, 491996816, 1260741841, 2521483682, 5042967364, 10085934728, 20171869456]

約数ペア:

[(1, 20171869456), (2, 10085934728), (4, 5042967364), (8, 2521483682), (16, 1260741841), (41, 491996816), (82, 245998408), (164, 122999204), (328, 61499602), (656, 30749801)]