20191977

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57527}}^1$

素因数の和:57549

約数の個数: 16

約数和(自身を含む): 32215680

約数和(自身を除く): 12023703

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57527, 172581, 517743, 747851, 1553229, 2243553, 6730659, 20191977]

約数ペア:

[(1, 20191977), (3, 6730659), (9, 2243553), (13, 1553229), (27, 747851), (39, 517743), (117, 172581), (351, 57527)]