20964562

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4027}}^1$

素因数の和:4185

約数の個数: 16

約数和(自身を含む): 33351840

約数和(自身を除く): 12387278

約数列:

[1, 2, 19, 38, 137, 274, 2603, 4027, 5206, 8054, 76513, 153026, 551699, 1103398, 10482281, 20964562]

約数ペア:

[(1, 20964562), (2, 10482281), (19, 1103398), (38, 551699), (137, 153026), (274, 76513), (2603, 8054), (4027, 5206)]