20401921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{16903}}^1$

素因数の和:16991

約数の個数: 8

約数和(自身を含む): 21907584

約数和(自身を除く): 1505663

約数列:

[1, 17, 71, 1207, 16903, 287351, 1200113, 20401921]

約数ペア:

[(1, 20401921), (17, 1200113), (71, 287351), (1207, 16903)]