20702170015

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{208807}}^1$

素因数の和:209142

約数の個数: 16

約数和(自身を含む): 25257415680

約数和(自身を除く): 4555245665

約数列:

[1, 5, 79, 251, 395, 1255, 19829, 99145, 208807, 1044035, 16495753, 52410557, 82478765, 262052785, 4140434003, 20702170015]

約数ペア:

[(1, 20702170015), (5, 4140434003), (79, 262052785), (251, 82478765), (395, 52410557), (1255, 16495753), (19829, 1044035), (99145, 208807)]