20164028140

素因数分解:

$2^2\times 5^1\times {\mathrm{16381}}^1\times {\mathrm{61547}}^1$

素因数の和:77937

約数の個数: 24

約数和(自身を含む): 42347732112

約数和(自身を除く): 22183703972

約数列:

[1, 2, 4, 5, 10, 20, 16381, 32762, 61547, 65524, 81905, 123094, 163810, 246188, 307735, 327620, 615470, 1230940, 1008201407, 2016402814, 4032805628, 5041007035, 10082014070, 20164028140]

約数ペア:

[(1, 20164028140), (2, 10082014070), (4, 5041007035), (5, 4032805628), (10, 2016402814), (20, 1008201407), (16381, 1230940), (32762, 615470), (61547, 327620), (65524, 307735), (81905, 246188), (123094, 163810)]