20395986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11369}}^1$

素因数の和:11410

約数の個数: 32

約数和(自身を含む): 45843840

約数和(自身を除く): 25447854

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11369, 22738, 34107, 68214, 147797, 261487, 295594, 443391, 522974, 784461, 886782, 1568922, 3399331, 6798662, 10197993, 20395986]

約数ペア:

[(1, 20395986), (2, 10197993), (3, 6798662), (6, 3399331), (13, 1568922), (23, 886782), (26, 784461), (39, 522974), (46, 443391), (69, 295594), (78, 261487), (138, 147797), (299, 68214), (598, 34107), (897, 22738), (1794, 11369)]