20345806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1217}}^1$

素因数の和:1875

約数の個数: 16

約数和(自身を含む): 32944464

約数和(自身を除く): 12598658

約数列:

[1, 2, 13, 26, 643, 1217, 1286, 2434, 8359, 15821, 16718, 31642, 782531, 1565062, 10172903, 20345806]

約数ペア:

[(1, 20345806), (2, 10172903), (13, 1565062), (26, 782531), (643, 31642), (1217, 16718), (1286, 15821), (2434, 8359)]