20643270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2381}}^1$

素因数の和:2425

約数の個数: 48

約数和(自身を含む): 52651728

約数和(自身を除く): 32008458

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1445, 1734, 2381, 2890, 4335, 4762, 7143, 8670, 11905, 14286, 23810, 35715, 40477, 71430, 80954, 121431, 202385, 242862, 404770, 607155, 688109, 1214310, 1376218, 2064327, 3440545, 4128654, 6881090, 10321635, 20643270]

約数ペア:

[(1, 20643270), (2, 10321635), (3, 6881090), (5, 4128654), (6, 3440545), (10, 2064327), (15, 1376218), (17, 1214310), (30, 688109), (34, 607155), (51, 404770), (85, 242862), (102, 202385), (170, 121431), (255, 80954), (289, 71430), (510, 40477), (578, 35715), (867, 23810), (1445, 14286), (1734, 11905), (2381, 8670), (2890, 7143), (4335, 4762)]