20463156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81203}}^1$

素因数の和:81220

約数の個数: 36

約数和(自身を含む): 59116512

約数和(自身を除く): 38653356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81203, 162406, 243609, 324812, 487218, 568421, 730827, 974436, 1136842, 1461654, 1705263, 2273684, 2923308, 3410526, 5115789, 6821052, 10231578, 20463156]

約数ペア:

[(1, 20463156), (2, 10231578), (3, 6821052), (4, 5115789), (6, 3410526), (7, 2923308), (9, 2273684), (12, 1705263), (14, 1461654), (18, 1136842), (21, 974436), (28, 730827), (36, 568421), (42, 487218), (63, 324812), (84, 243609), (126, 162406), (252, 81203)]