20176975585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1\times {\mathrm{4397}}^1$

素因数の和:4953

約数の個数: 32

約数和(自身を含む): 26279914752

約数和(自身を除く): 6102939167

約数列:

[1, 5, 13, 65, 227, 311, 1135, 1555, 2951, 4043, 4397, 14755, 20215, 21985, 57161, 70597, 285805, 352985, 917761, 998119, 1367467, 4588805, 4990595, 6837335, 12975547, 17777071, 64877735, 88885355, 310415009, 1552075045, 4035395117, 20176975585]

約数ペア:

[(1, 20176975585), (5, 4035395117), (13, 1552075045), (65, 310415009), (227, 88885355), (311, 64877735), (1135, 17777071), (1555, 12975547), (2951, 6837335), (4043, 4990595), (4397, 4588805), (14755, 1367467), (20215, 998119), (21985, 917761), (57161, 352985), (70597, 285805)]