20555868

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 50067584

約数和(自身を除く): 29511716

約数列:

[1, 2, 3, 4, 6, 12, 37, 67, 74, 111, 134, 148, 201, 222, 268, 402, 444, 691, 804, 1382, 2073, 2479, 2764, 4146, 4958, 7437, 8292, 9916, 14874, 25567, 29748, 46297, 51134, 76701, 92594, 102268, 138891, 153402, 185188, 277782, 306804, 555564, 1712989, 3425978, 5138967, 6851956, 10277934, 20555868]

約数ペア:

[(1, 20555868), (2, 10277934), (3, 6851956), (4, 5138967), (6, 3425978), (12, 1712989), (37, 555564), (67, 306804), (74, 277782), (111, 185188), (134, 153402), (148, 138891), (201, 102268), (222, 92594), (268, 76701), (402, 51134), (444, 46297), (691, 29748), (804, 25567), (1382, 14874), (2073, 9916), (2479, 8292), (2764, 7437), (4146, 4958)]