20040314

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 38708928

約数和(自身を除く): 18668614

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 49, 98, 119, 161, 238, 322, 391, 523, 782, 833, 1046, 1127, 1666, 2254, 2737, 3661, 5474, 7322, 8891, 12029, 17782, 19159, 24058, 25627, 38318, 51254, 62237, 84203, 124474, 168406, 204493, 408986, 435659, 589421, 871318, 1178842, 1431451, 2862902, 10020157, 20040314]

約数ペア:

[(1, 20040314), (2, 10020157), (7, 2862902), (14, 1431451), (17, 1178842), (23, 871318), (34, 589421), (46, 435659), (49, 408986), (98, 204493), (119, 168406), (161, 124474), (238, 84203), (322, 62237), (391, 51254), (523, 38318), (782, 25627), (833, 24058), (1046, 19159), (1127, 17782), (1666, 12029), (2254, 8891), (2737, 7322), (3661, 5474)]