12747620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37493}}^1$

素因数の和:37519

約数の個数: 24

約数和(自身を含む): 28345464

約数和(自身を除く): 15597844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37493, 74986, 149972, 187465, 374930, 637381, 749860, 1274762, 2549524, 3186905, 6373810, 12747620]

約数ペア:

[(1, 12747620), (2, 6373810), (4, 3186905), (5, 2549524), (10, 1274762), (17, 749860), (20, 637381), (34, 374930), (68, 187465), (85, 149972), (170, 74986), (340, 37493)]