20217634535

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1\times {\mathrm{29851}}^1$

素因数の和:30423

約数の個数: 32

約数和(自身を含む): 28531825152

約数和(自身を除く): 8314190617

約数列:

[1, 5, 7, 35, 37, 185, 259, 523, 1295, 2615, 3661, 18305, 19351, 29851, 96755, 135457, 149255, 208957, 677285, 1044785, 1104487, 5522435, 7731409, 15612073, 38657045, 78060365, 109284511, 546422555, 577646701, 2888233505, 4043526907, 20217634535]

約数ペア:

[(1, 20217634535), (5, 4043526907), (7, 2888233505), (35, 577646701), (37, 546422555), (185, 109284511), (259, 78060365), (523, 38657045), (1295, 15612073), (2615, 7731409), (3661, 5522435), (18305, 1104487), (19351, 1044785), (29851, 677285), (96755, 208957), (135457, 149255)]