12420020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{11717}}^1$

素因数の和:11779

約数の個数: 24

約数和(自身を含む): 26576424

約数和(自身を除く): 14156404

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 11717, 23434, 46868, 58585, 117170, 234340, 621001, 1242002, 2484004, 3105005, 6210010, 12420020]

約数ペア:

[(1, 12420020), (2, 6210010), (4, 3105005), (5, 2484004), (10, 1242002), (20, 621001), (53, 234340), (106, 117170), (212, 58585), (265, 46868), (530, 23434), (1060, 11717)]