20138684

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 35900928

約数和(自身を除く): 15762244

約数列:

[1, 2, 4, 107, 211, 214, 223, 422, 428, 446, 844, 892, 22577, 23861, 45154, 47053, 47722, 90308, 94106, 95444, 188212, 5034671, 10069342, 20138684]

約数ペア:

[(1, 20138684), (2, 10069342), (4, 5034671), (107, 188212), (211, 95444), (214, 94106), (223, 90308), (422, 47722), (428, 47053), (446, 45154), (844, 23861), (892, 22577)]