20359157

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 26353152

約数和(自身を除く): 5993995

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1031, 1519, 2821, 7217, 13403, 19747, 31961, 50519, 93821, 223727, 415493, 656747, 1566089, 2908451, 20359157]

約数ペア:

[(1, 20359157), (7, 2908451), (13, 1566089), (31, 656747), (49, 415493), (91, 223727), (217, 93821), (403, 50519), (637, 31961), (1031, 19747), (1519, 13403), (2821, 7217)]