20335580

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4219}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 42892080

約数和(自身を除く): 22556500

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4219, 4820, 8438, 16876, 21095, 42190, 84380, 1016779, 2033558, 4067116, 5083895, 10167790, 20335580]

約数ペア:

[(1, 20335580), (2, 10167790), (4, 5083895), (5, 4067116), (10, 2033558), (20, 1016779), (241, 84380), (482, 42190), (964, 21095), (1205, 16876), (2410, 8438), (4219, 4820)]