20237965491

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1\times {\mathrm{2903}}^1$

素因数の和:3515

約数の個数: 32

約数和(自身を含む): 28126517760

約数和(自身を除く): 7888552269

約数列:

[1, 3, 29, 87, 227, 353, 681, 1059, 2903, 6583, 8709, 10237, 19749, 30711, 80131, 84187, 240393, 252561, 658981, 1024759, 1976943, 2323799, 3074277, 6971397, 19110449, 29718011, 57331347, 89154033, 232620293, 697860879, 6745988497, 20237965491]

約数ペア:

[(1, 20237965491), (3, 6745988497), (29, 697860879), (87, 232620293), (227, 89154033), (353, 57331347), (681, 29718011), (1059, 19110449), (2903, 6971397), (6583, 3074277), (8709, 2323799), (10237, 1976943), (19749, 1024759), (30711, 658981), (80131, 252561), (84187, 240393)]