20009119

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2514

約数の個数: 16

約数和(自身を含む): 23442048

約数和(自身を除く): 3432929

約数列:

[1, 13, 17, 37, 221, 481, 629, 2447, 8177, 31811, 41599, 90539, 540787, 1177007, 1539163, 20009119]

約数ペア:

[(1, 20009119), (13, 1539163), (17, 1177007), (37, 540787), (221, 90539), (481, 41599), (629, 31811), (2447, 8177)]