20149491

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1531}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 27796608

約数和(自身を除く): 7647117

約数列:

[1, 3, 41, 107, 123, 321, 1531, 4387, 4593, 13161, 62771, 163817, 188313, 491451, 6716497, 20149491]

約数ペア:

[(1, 20149491), (3, 6716497), (41, 491451), (107, 188313), (123, 163817), (321, 62771), (1531, 13161), (4387, 4593)]