20817407

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 23761920

約数和(自身を除く): 2944513

約数列:

[1, 13, 19, 247, 271, 311, 3523, 4043, 5149, 5909, 66937, 76817, 84281, 1095653, 1601339, 20817407]

約数ペア:

[(1, 20817407), (13, 1601339), (19, 1095653), (247, 84281), (271, 76817), (311, 66937), (3523, 5909), (4043, 5149)]