20980274

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36551}}^1$

素因数の和:36601

約数の個数: 16

約数和(自身を含む): 36844416

約数和(自身を除く): 15864142

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 36551, 73102, 255857, 511714, 1498591, 2997182, 10490137, 20980274]

約数ペア:

[(1, 20980274), (2, 10490137), (7, 2997182), (14, 1498591), (41, 511714), (82, 255857), (287, 73102), (574, 36551)]