20842108

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6829}}^1$

素因数の和:6949

約数の個数: 24

約数和(自身を含む): 42072800

約数和(自身を除く): 21230692

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6829, 13658, 27316, 47803, 95606, 191212, 744361, 1488722, 2977444, 5210527, 10421054, 20842108]

約数ペア:

[(1, 20842108), (2, 10421054), (4, 5210527), (7, 2977444), (14, 1488722), (28, 744361), (109, 191212), (218, 95606), (436, 47803), (763, 27316), (1526, 13658), (3052, 6829)]