206199580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{102079}}^1$

素因数の和:102189

約数の個数: 24

約数和(自身を含む): 437310720

約数和(自身を除く): 231111140

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 102079, 204158, 408316, 510395, 1020790, 2041580, 10309979, 20619958, 41239916, 51549895, 103099790, 206199580]

約数ペア:

[(1, 206199580), (2, 103099790), (4, 51549895), (5, 41239916), (10, 20619958), (20, 10309979), (101, 2041580), (202, 1020790), (404, 510395), (505, 408316), (1010, 204158), (2020, 102079)]