20159390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22651}}^1$

素因数の和:22747

約数の個数: 16

約数和(自身を含む): 36696240

約数和(自身を除く): 16536850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22651, 45302, 113255, 226510, 2015939, 4031878, 10079695, 20159390]

約数ペア:

[(1, 20159390), (2, 10079695), (5, 4031878), (10, 2015939), (89, 226510), (178, 113255), (445, 45302), (890, 22651)]