20484191

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9787}}^1$

素因数の和:9830

約数の個数: 16

約数和(自身を含む): 26310144

約数和(自身を除く): 5825953

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9787, 68509, 127231, 225101, 890617, 1575707, 2926313, 20484191]

約数ペア:

[(1, 20484191), (7, 2926313), (13, 1575707), (23, 890617), (91, 225101), (161, 127231), (299, 68509), (2093, 9787)]