17720434

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{881}}^1$

素因数の和:1085

約数の個数: 16

約数和(自身を含む): 27147960

約数和(自身を除く): 9427526

約数列:

[1, 2, 89, 113, 178, 226, 881, 1762, 10057, 20114, 78409, 99553, 156818, 199106, 8860217, 17720434]

約数ペア:

[(1, 17720434), (2, 8860217), (89, 199106), (113, 156818), (178, 99553), (226, 78409), (881, 20114), (1762, 10057)]