20403934070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156953339}}^1$

素因数の和:156953359

約数の個数: 16

約数和(自身を含む): 39552241680

約数和(自身を除く): 19148307610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156953339, 313906678, 784766695, 1569533390, 2040393407, 4080786814, 10201967035, 20403934070]

約数ペア:

[(1, 20403934070), (2, 10201967035), (5, 4080786814), (10, 2040393407), (13, 1569533390), (26, 784766695), (65, 313906678), (130, 156953339)]