203420020

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{12269}}^1$

素因数の和:13107

約数の個数: 24

約数和(自身を含む): 427732200

約数和(自身を除く): 224312180

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 8290, 12269, 16580, 24538, 49076, 61345, 122690, 245380, 10171001, 20342002, 40684004, 50855005, 101710010, 203420020]

約数ペア:

[(1, 203420020), (2, 101710010), (4, 50855005), (5, 40684004), (10, 20342002), (20, 10171001), (829, 245380), (1658, 122690), (3316, 61345), (4145, 49076), (8290, 24538), (12269, 16580)]