20297162

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1321

約数の個数: 16

約数和(自身を含む): 31120200

約数和(自身を除く): 10823038

約数列:

[1, 2, 89, 101, 178, 202, 1129, 2258, 8989, 17978, 100481, 114029, 200962, 228058, 10148581, 20297162]

約数ペア:

[(1, 20297162), (2, 10148581), (89, 228058), (101, 200962), (178, 114029), (202, 100481), (1129, 17978), (2258, 8989)]