20506109

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 22955520

約数和(自身を除く): 2449411

約数列:

[1, 13, 41, 79, 487, 533, 1027, 3239, 6331, 19967, 38473, 42107, 259571, 500149, 1577393, 20506109]

約数ペア:

[(1, 20506109), (13, 1577393), (41, 500149), (79, 259571), (487, 42107), (533, 38473), (1027, 19967), (3239, 6331)]