20242390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 42886800

約数和(自身を除く): 22644410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 379, 490, 545, 758, 763, 1090, 1526, 1895, 2653, 3790, 3815, 5306, 5341, 7630, 10682, 13265, 18571, 26530, 26705, 37142, 41311, 53410, 82622, 92855, 185710, 206555, 289177, 413110, 578354, 1445885, 2024239, 2891770, 4048478, 10121195, 20242390]

約数ペア:

[(1, 20242390), (2, 10121195), (5, 4048478), (7, 2891770), (10, 2024239), (14, 1445885), (35, 578354), (49, 413110), (70, 289177), (98, 206555), (109, 185710), (218, 92855), (245, 82622), (379, 53410), (490, 41311), (545, 37142), (758, 26705), (763, 26530), (1090, 18571), (1526, 13265), (1895, 10682), (2653, 7630), (3790, 5341), (3815, 5306)]