20448987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{8887}}^1$

素因数の和:8962

約数の個数: 16

約数和(自身を含む): 29863680

約数和(自身を除く): 9414693

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 8887, 26661, 115531, 346593, 524333, 1572999, 6816329, 20448987]

約数ペア:

[(1, 20448987), (3, 6816329), (13, 1572999), (39, 524333), (59, 346593), (177, 115531), (767, 26661), (2301, 8887)]