20017263

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4091}}^1$

素因数の和:4334

約数の個数: 16

約数和(自身を含む): 30640896

約数和(自身を除く): 10623633

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4091, 4893, 12273, 28637, 85911, 953203, 2859609, 6672421, 20017263]

約数ペア:

[(1, 20017263), (3, 6672421), (7, 2859609), (21, 953203), (233, 85911), (699, 28637), (1631, 12273), (4091, 4893)]