20196085

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 32232816

約数和(自身を除く): 12036731

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 373, 455, 595, 637, 833, 1105, 1547, 1865, 2611, 3185, 4165, 4849, 6341, 7735, 10829, 13055, 18277, 24245, 31705, 33943, 44387, 54145, 82433, 91385, 169715, 221935, 237601, 310709, 412165, 577031, 1188005, 1553545, 2885155, 4039217, 20196085]

約数ペア:

[(1, 20196085), (5, 4039217), (7, 2885155), (13, 1553545), (17, 1188005), (35, 577031), (49, 412165), (65, 310709), (85, 237601), (91, 221935), (119, 169715), (221, 91385), (245, 82433), (373, 54145), (455, 44387), (595, 33943), (637, 31705), (833, 24245), (1105, 18277), (1547, 13055), (1865, 10829), (2611, 7735), (3185, 6341), (4165, 4849)]