20779430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42407}}^1$

素因数の和:42428

約数の個数: 24

約数和(自身を含む): 43510608

約数和(自身を除く): 22731178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42407, 84814, 212035, 296849, 424070, 593698, 1484245, 2077943, 2968490, 4155886, 10389715, 20779430]

約数ペア:

[(1, 20779430), (2, 10389715), (5, 4155886), (7, 2968490), (10, 2077943), (14, 1484245), (35, 593698), (49, 424070), (70, 296849), (98, 212035), (245, 84814), (490, 42407)]