20147845880

素因数分解:

$2^3\times 5^1\times {\mathrm{503696147}}^1$

素因数の和:503696158

約数の個数: 16

約数和(自身を含む): 45332653320

約数和(自身を除く): 25184807440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503696147, 1007392294, 2014784588, 2518480735, 4029569176, 5036961470, 10073922940, 20147845880]

約数ペア:

[(1, 20147845880), (2, 10073922940), (4, 5036961470), (5, 4029569176), (8, 2518480735), (10, 2014784588), (20, 1007392294), (40, 503696147)]