20185450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13921}}^1$

素因数の和:13962

約数の個数: 24

約数和(自身を含む): 38842380

約数和(自身を除く): 18656930

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13921, 27842, 69605, 139210, 348025, 403709, 696050, 807418, 2018545, 4037090, 10092725, 20185450]

約数ペア:

[(1, 20185450), (2, 10092725), (5, 4037090), (10, 2018545), (25, 807418), (29, 696050), (50, 403709), (58, 348025), (145, 139210), (290, 69605), (725, 27842), (1450, 13921)]