20490522

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{593}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 44307648

約数和(自身を除く): 23817126

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 443, 593, 886, 1186, 1329, 1779, 2658, 3558, 5759, 7709, 11518, 15418, 17277, 23127, 34554, 46254, 262699, 525398, 788097, 1576194, 3415087, 6830174, 10245261, 20490522]

約数ペア:

[(1, 20490522), (2, 10245261), (3, 6830174), (6, 3415087), (13, 1576194), (26, 788097), (39, 525398), (78, 262699), (443, 46254), (593, 34554), (886, 23127), (1186, 17277), (1329, 15418), (1779, 11518), (2658, 7709), (3558, 5759)]