20771135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53951}}^1$

素因数の和:53974

約数の個数: 16

約数和(自身を含む): 31076352

約数和(自身を除く): 10305217

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53951, 269755, 377657, 593461, 1888285, 2967305, 4154227, 20771135]

約数ペア:

[(1, 20771135), (5, 4154227), (7, 2967305), (11, 1888285), (35, 593461), (55, 377657), (77, 269755), (385, 53951)]