20670154

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:845

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 10900406

約数列:

[1, 2, 83, 166, 239, 478, 521, 1042, 19837, 39674, 43243, 86486, 124519, 249038, 10335077, 20670154]

約数ペア:

[(1, 20670154), (2, 10335077), (83, 249038), (166, 124519), (239, 86486), (478, 43243), (521, 39674), (1042, 19837)]