20807631

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59281}}^1$

素因数の和:59303

約数の個数: 16

約数和(自身を含む): 33197920

約数和(自身を除く): 12390289

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59281, 177843, 533529, 770653, 1600587, 2311959, 6935877, 20807631]

約数ペア:

[(1, 20807631), (3, 6935877), (9, 2311959), (13, 1600587), (27, 770653), (39, 533529), (117, 177843), (351, 59281)]