20556939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8641}}^1$

素因数の和:8718

約数の個数: 16

約数和(自身を含む): 30005024

約数和(自身を除く): 9448085

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8641, 25923, 112333, 336999, 527101, 1581303, 6852313, 20556939]

約数ペア:

[(1, 20556939), (3, 6852313), (13, 1581303), (39, 527101), (61, 336999), (183, 112333), (793, 25923), (2379, 8641)]