20190275

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 28893984

約数和(自身を除く): 8703709

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 1021, 2825, 3955, 5105, 7147, 19775, 25525, 35735, 115373, 178675, 576865, 807611, 2884325, 4038055, 20190275]

約数ペア:

[(1, 20190275), (5, 4038055), (7, 2884325), (25, 807611), (35, 576865), (113, 178675), (175, 115373), (565, 35735), (791, 25525), (1021, 19775), (2825, 7147), (3955, 5105)]