20172972157

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1\times {\mathrm{1013}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 23181500160

約数和(自身を除く): 3008528003

約数列:

[1, 13, 17, 221, 251, 359, 1013, 3263, 4267, 4667, 6103, 13169, 17221, 55471, 79339, 90109, 223873, 254263, 363667, 1171417, 1531853, 3305419, 4322471, 4727671, 6182339, 19914089, 56192123, 80370407, 91280417, 1186645421, 1551767089, 20172972157]

約数ペア:

[(1, 20172972157), (13, 1551767089), (17, 1186645421), (221, 91280417), (251, 80370407), (359, 56192123), (1013, 19914089), (3263, 6182339), (4267, 4727671), (4667, 4322471), (6103, 3305419), (13169, 1531853), (17221, 1171417), (55471, 363667), (79339, 254263), (90109, 223873)]