20485016

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{32413}}^1$

素因数の和:32498

約数の個数: 16

約数和(自身を含む): 38896800

約数和(自身を除く): 18411784

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 32413, 64826, 129652, 259304, 2560627, 5121254, 10242508, 20485016]

約数ペア:

[(1, 20485016), (2, 10242508), (4, 5121254), (8, 2560627), (79, 259304), (158, 129652), (316, 64826), (632, 32413)]