20309523

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8537}}^1$

素因数の和:8614

約数の個数: 16

約数和(自身を含む): 29643936

約数和(自身を除く): 9334413

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8537, 25611, 110981, 332943, 520757, 1562271, 6769841, 20309523]

約数ペア:

[(1, 20309523), (3, 6769841), (13, 1562271), (39, 520757), (61, 332943), (183, 110981), (793, 25611), (2379, 8537)]