20667244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7499}}^1$

素因数の和:7569

約数の個数: 24

約数和(自身を含む): 39690000

約数和(自身を除く): 19022756

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7499, 14998, 29996, 97487, 194974, 389948, 397447, 794894, 1589788, 5166811, 10333622, 20667244]

約数ペア:

[(1, 20667244), (2, 10333622), (4, 5166811), (13, 1589788), (26, 794894), (52, 397447), (53, 389948), (106, 194974), (212, 97487), (689, 29996), (1378, 14998), (2756, 7499)]