20880106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11311}}^1$

素因数の和:11397

約数の個数: 16

約数和(自身を含む): 34207488

約数和(自身を除く): 13327382

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11311, 22622, 147043, 294086, 803081, 1606162, 10440053, 20880106]

約数ペア:

[(1, 20880106), (2, 10440053), (13, 1606162), (26, 803081), (71, 294086), (142, 147043), (923, 22622), (1846, 11311)]