20836564

素因数分解:

$2^2\times 7^3\times {\mathrm{15187}}^1$

素因数の和:15212

約数の個数: 24

約数和(自身を含む): 42526400

約数和(自身を除く): 21689836

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15187, 30374, 60748, 106309, 212618, 425236, 744163, 1488326, 2976652, 5209141, 10418282, 20836564]

約数ペア:

[(1, 20836564), (2, 10418282), (4, 5209141), (7, 2976652), (14, 1488326), (28, 744163), (49, 425236), (98, 212618), (196, 106309), (343, 60748), (686, 30374), (1372, 15187)]