20456708

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2063}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 37333632

約数和(自身を除く): 16876924

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 2063, 2479, 4126, 4958, 8252, 9916, 76331, 138221, 152662, 276442, 305324, 552884, 5114177, 10228354, 20456708]

約数ペア:

[(1, 20456708), (2, 10228354), (4, 5114177), (37, 552884), (67, 305324), (74, 276442), (134, 152662), (148, 138221), (268, 76331), (2063, 9916), (2479, 8252), (4126, 4958)]