20949786621

素因数分解:

$3^4\times {\mathrm{3833}}^1\times {\mathrm{67477}}^1$

素因数の和:71322

約数の個数: 20

約数和(自身を含む): 31303988892

約数和(自身を除く): 10354202271

約数列:

[1, 3, 9, 27, 81, 3833, 11499, 34497, 67477, 103491, 202431, 310473, 607293, 1821879, 5465637, 258639341, 775918023, 2327754069, 6983262207, 20949786621]

約数ペア:

[(1, 20949786621), (3, 6983262207), (9, 2327754069), (27, 775918023), (81, 258639341), (3833, 5465637), (11499, 1821879), (34497, 607293), (67477, 310473), (103491, 202431)]