20163826840

素因数分解:

$2^3\times 5^1\times {\mathrm{504095671}}^1$

素因数の和:504095682

約数の個数: 16

約数和(自身を含む): 45368610480

約数和(自身を除く): 25204783640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504095671, 1008191342, 2016382684, 2520478355, 4032765368, 5040956710, 10081913420, 20163826840]

約数ペア:

[(1, 20163826840), (2, 10081913420), (4, 5040956710), (5, 4032765368), (8, 2520478355), (10, 2016382684), (20, 1008191342), (40, 504095671)]