20939366

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4969}}^1$

素因数の和:5028

約数の個数: 24

約数和(自身を含む): 37394280

約数和(自身を除く): 16454914

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 4969, 9938, 34783, 69566, 213667, 243481, 427334, 486962, 1495669, 2991338, 10469683, 20939366]

約数ペア:

[(1, 20939366), (2, 10469683), (7, 2991338), (14, 1495669), (43, 486962), (49, 427334), (86, 243481), (98, 213667), (301, 69566), (602, 34783), (2107, 9938), (4214, 4969)]