20724935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53831}}^1$

素因数の和:53854

約数の個数: 16

約数和(自身を含む): 31007232

約数和(自身を除く): 10282297

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53831, 269155, 376817, 592141, 1884085, 2960705, 4144987, 20724935]

約数ペア:

[(1, 20724935), (5, 4144987), (7, 2960705), (11, 1884085), (35, 592141), (55, 376817), (77, 269155), (385, 53831)]