20902458

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{65731}}^1$

素因数の和:65789

約数の個数: 16

約数和(自身を含む): 42594336

約数和(自身を除く): 21691878

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 65731, 131462, 197193, 394386, 3483743, 6967486, 10451229, 20902458]

約数ペア:

[(1, 20902458), (2, 10451229), (3, 6967486), (6, 3483743), (53, 394386), (106, 197193), (159, 131462), (318, 65731)]