20890286

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1403

約数の個数: 16

約数和(自身を含む): 32049600

約数和(自身を除く): 11159314

約数列:

[1, 2, 79, 109, 158, 218, 1213, 2426, 8611, 17222, 95827, 132217, 191654, 264434, 10445143, 20890286]

約数ペア:

[(1, 20890286), (2, 10445143), (79, 264434), (109, 191654), (158, 132217), (218, 95827), (1213, 17222), (2426, 8611)]