20689236

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8329}}^1$

素因数の和:8365

約数の個数: 48

約数和(自身を含む): 55977600

約数和(自身を除く): 35288364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 8329, 16658, 24987, 33316, 49974, 74961, 99948, 149922, 191567, 224883, 299844, 383134, 449766, 574701, 766268, 899532, 1149402, 1724103, 2298804, 3448206, 5172309, 6896412, 10344618, 20689236]

約数ペア:

[(1, 20689236), (2, 10344618), (3, 6896412), (4, 5172309), (6, 3448206), (9, 2298804), (12, 1724103), (18, 1149402), (23, 899532), (27, 766268), (36, 574701), (46, 449766), (54, 383134), (69, 299844), (92, 224883), (108, 191567), (138, 149922), (207, 99948), (276, 74961), (414, 49974), (621, 33316), (828, 24987), (1242, 16658), (2484, 8329)]