20749435

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 10119557

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 811, 1505, 3655, 4055, 5117, 5677, 13787, 25585, 28385, 34873, 68935, 96509, 174365, 244111, 482545, 592841, 1220555, 2964205, 4149887, 20749435]

約数ペア:

[(1, 20749435), (5, 4149887), (7, 2964205), (17, 1220555), (35, 592841), (43, 482545), (85, 244111), (119, 174365), (215, 96509), (301, 68935), (595, 34873), (731, 28385), (811, 25585), (1505, 13787), (3655, 5677), (4055, 5117)]