20158589

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 2521411

約数列:

[1, 11, 59, 89, 349, 649, 979, 3839, 5251, 20591, 31061, 57761, 226501, 341671, 1832599, 20158589]

約数ペア:

[(1, 20158589), (11, 1832599), (59, 341671), (89, 226501), (349, 57761), (649, 31061), (979, 20591), (3839, 5251)]