20291801905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1\times {\mathrm{2357}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 25552419840

約数和(自身を除く): 5260617935

約数列:

[1, 5, 31, 67, 155, 335, 829, 2077, 2357, 4145, 10385, 11785, 25699, 55543, 73067, 128495, 157919, 277715, 365335, 789595, 1721833, 1953953, 4895489, 8609165, 9769765, 24477445, 60572543, 130914851, 302862715, 654574255, 4058360381, 20291801905]

約数ペア:

[(1, 20291801905), (5, 4058360381), (31, 654574255), (67, 302862715), (155, 130914851), (335, 60572543), (829, 24477445), (2077, 9769765), (2357, 8609165), (4145, 4895489), (10385, 1953953), (11785, 1721833), (25699, 789595), (55543, 365335), (73067, 277715), (128495, 157919)]