20004933

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 29962240

約数和(自身を除く): 9957307

約数列:

[1, 3, 13, 39, 43, 79, 129, 151, 237, 453, 559, 1027, 1677, 1963, 3081, 3397, 5889, 6493, 10191, 11929, 19479, 35787, 44161, 84409, 132483, 155077, 253227, 465231, 512947, 1538841, 6668311, 20004933]

約数ペア:

[(1, 20004933), (3, 6668311), (13, 1538841), (39, 512947), (43, 465231), (79, 253227), (129, 155077), (151, 132483), (237, 84409), (453, 44161), (559, 35787), (1027, 19479), (1677, 11929), (1963, 10191), (3081, 6493), (3397, 5889)]