20343925

素因数分解:

$5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1151}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 29140992

約数和(自身を除く): 8797067

約数列:

[1, 5, 7, 25, 35, 101, 175, 505, 707, 1151, 2525, 3535, 5755, 8057, 17675, 28775, 40285, 116251, 201425, 581255, 813757, 2906275, 4068785, 20343925]

約数ペア:

[(1, 20343925), (5, 4068785), (7, 2906275), (25, 813757), (35, 581255), (101, 201425), (175, 116251), (505, 40285), (707, 28775), (1151, 17675), (2525, 8057), (3535, 5755)]