20172317823

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{18691}}^1$

素因数の和:19204

約数の個数: 48

約数和(自身を含む): 34276043776

約数和(自身を除く): 14103725953

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 463, 777, 1389, 2331, 3241, 4167, 9723, 17131, 18691, 29169, 51393, 56073, 119917, 130837, 154179, 168219, 359751, 392511, 691567, 1079253, 1177533, 2074701, 4840969, 6224103, 8653933, 14522907, 25961799, 43568721, 60577531, 77885397, 181732593, 320195521, 545197779, 960586563, 2241368647, 2881759689, 6724105941, 20172317823]

約数ペア:

[(1, 20172317823), (3, 6724105941), (7, 2881759689), (9, 2241368647), (21, 960586563), (37, 545197779), (63, 320195521), (111, 181732593), (259, 77885397), (333, 60577531), (463, 43568721), (777, 25961799), (1389, 14522907), (2331, 8653933), (3241, 6224103), (4167, 4840969), (9723, 2074701), (17131, 1177533), (18691, 1079253), (29169, 691567), (51393, 392511), (56073, 359751), (119917, 168219), (130837, 154179)]