20276851

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 24125440

約数和(自身を除く): 3848589

約数列:

[1, 7, 37, 79, 259, 553, 991, 2923, 6937, 20461, 36667, 78289, 256669, 548023, 2896693, 20276851]

約数ペア:

[(1, 20276851), (7, 2896693), (37, 548023), (79, 256669), (259, 78289), (553, 36667), (991, 20461), (2923, 6937)]