20321259

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42073}}^1$

素因数の和:42106

約数の個数: 16

約数和(自身を含む): 32312832

約数和(自身を除く): 11991573

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42073, 126219, 294511, 883533, 967679, 2903037, 6773753, 20321259]

約数ペア:

[(1, 20321259), (3, 6773753), (7, 2903037), (21, 967679), (23, 883533), (69, 294511), (161, 126219), (483, 42073)]