20811011

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 23358720

約数和(自身を除く): 2547709

約数列:

[1, 13, 43, 59, 559, 631, 767, 2537, 8203, 27133, 32981, 37229, 352729, 483977, 1600847, 20811011]

約数ペア:

[(1, 20811011), (13, 1600847), (43, 483977), (59, 352729), (559, 37229), (631, 32981), (767, 27133), (2537, 8203)]