20157966

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{12583}}^1$

素因数の和:12680

約数の個数: 24

約数和(自身を含む): 44169840

約数和(自身を除く): 24011874

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 12583, 25166, 37749, 75498, 113247, 226494, 1119887, 2239774, 3359661, 6719322, 10078983, 20157966]

約数ペア:

[(1, 20157966), (2, 10078983), (3, 6719322), (6, 3359661), (9, 2239774), (18, 1119887), (89, 226494), (178, 113247), (267, 75498), (534, 37749), (801, 25166), (1602, 12583)]