20042874

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15683}}^1$

素因数の和:15762

約数の個数: 24

約数和(自身を含む): 44040672

約数和(自身を除く): 23997798

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15683, 31366, 47049, 94098, 141147, 282294, 1113493, 2226986, 3340479, 6680958, 10021437, 20042874]

約数ペア:

[(1, 20042874), (2, 10021437), (3, 6680958), (6, 3340479), (9, 2226986), (18, 1113493), (71, 282294), (142, 141147), (213, 94098), (426, 47049), (639, 31366), (1278, 15683)]