20465276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3821}}^1$

素因数の和:3941

約数の個数: 24

約数和(自身を含む): 38953824

約数和(自身を除く): 18488548

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3821, 5356, 7642, 15284, 49673, 99346, 198692, 393563, 787126, 1574252, 5116319, 10232638, 20465276]

約数ペア:

[(1, 20465276), (2, 10232638), (4, 5116319), (13, 1574252), (26, 787126), (52, 393563), (103, 198692), (206, 99346), (412, 49673), (1339, 15284), (2678, 7642), (3821, 5356)]