20017990078

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{9209}}^1\times {\mathrm{20507}}^1$

素因数の和:29771

約数の個数: 16

約数和(自身を含む): 30598346160

約数和(自身を除く): 10580356082

約数列:

[1, 2, 53, 106, 9209, 18418, 20507, 41014, 488077, 976154, 1086871, 2173742, 188848963, 377697926, 10008995039, 20017990078]

約数ペア:

[(1, 20017990078), (2, 10008995039), (53, 377697926), (106, 188848963), (9209, 2173742), (18418, 1086871), (20507, 976154), (41014, 488077)]