20445873

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42331}}^1$

素因数の和:42364

約数の個数: 16

約数和(自身を含む): 32510976

約数和(自身を除く): 12065103

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42331, 126993, 296317, 888951, 973613, 2920839, 6815291, 20445873]

約数ペア:

[(1, 20445873), (3, 6815291), (7, 2920839), (21, 973613), (23, 888951), (69, 296317), (161, 126993), (483, 42331)]