20400186

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1201}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 43272000

約数和(自身を除く): 22871814

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 149, 298, 447, 894, 1201, 2402, 2831, 3603, 5662, 7206, 8493, 16986, 22819, 45638, 68457, 136914, 178949, 357898, 536847, 1073694, 3400031, 6800062, 10200093, 20400186]

約数ペア:

[(1, 20400186), (2, 10200093), (3, 6800062), (6, 3400031), (19, 1073694), (38, 536847), (57, 357898), (114, 178949), (149, 136914), (298, 68457), (447, 45638), (894, 22819), (1201, 16986), (2402, 8493), (2831, 7206), (3603, 5662)]