20442009

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42323}}^1$

素因数の和:42356

約数の個数: 16

約数和(自身を含む): 32504832

約数和(自身を除く): 12062823

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42323, 126969, 296261, 888783, 973429, 2920287, 6814003, 20442009]

約数ペア:

[(1, 20442009), (3, 6814003), (7, 2920287), (21, 973429), (23, 888783), (69, 296261), (161, 126969), (483, 42323)]