20458430

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17281090

約数列:

[1, 2, 5, 10, 89, 127, 178, 181, 254, 362, 445, 635, 890, 905, 1270, 1810, 11303, 16109, 22606, 22987, 32218, 45974, 56515, 80545, 113030, 114935, 161090, 229870, 2045843, 4091686, 10229215, 20458430]

約数ペア:

[(1, 20458430), (2, 10229215), (5, 4091686), (10, 2045843), (89, 229870), (127, 161090), (178, 114935), (181, 113030), (254, 80545), (362, 56515), (445, 45974), (635, 32218), (890, 22987), (905, 22606), (1270, 16109), (1810, 11303)]