20374503

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 27721440

約数和(自身を除く): 7346937

約数列:

[1, 3, 89, 137, 267, 411, 557, 1671, 12193, 36579, 49573, 76309, 148719, 228927, 6791501, 20374503]

約数ペア:

[(1, 20374503), (3, 6791501), (89, 228927), (137, 148719), (267, 76309), (411, 49573), (557, 36579), (1671, 12193)]