20180386

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{3121}}^1$

素因数の和:3237

約数の個数: 16

約数和(自身を含む): 31357368

約数和(自身を除く): 11176982

約数列:

[1, 2, 53, 61, 106, 122, 3121, 3233, 6242, 6466, 165413, 190381, 330826, 380762, 10090193, 20180386]

約数ペア:

[(1, 20180386), (2, 10090193), (53, 380762), (61, 330826), (106, 190381), (122, 165413), (3121, 6466), (3233, 6242)]