20528514

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16063}}^1$

素因数の和:16142

約数の個数: 24

約数和(自身を含む): 45107712

約数和(自身を除く): 24579198

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16063, 32126, 48189, 96378, 144567, 289134, 1140473, 2280946, 3421419, 6842838, 10264257, 20528514]

約数ペア:

[(1, 20528514), (2, 10264257), (3, 6842838), (6, 3421419), (9, 2280946), (18, 1140473), (71, 289134), (142, 144567), (213, 96378), (426, 48189), (639, 32126), (1278, 16063)]