20958984

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{3001}}^1$

素因数の和:3110

約数の個数: 48

約数和(自身を含む): 57368220

約数和(自身を除く): 36409236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 3001, 3492, 6002, 6984, 9003, 12004, 18006, 24008, 27009, 36012, 54018, 72024, 108036, 216072, 291097, 582194, 873291, 1164388, 1746582, 2328776, 2619873, 3493164, 5239746, 6986328, 10479492, 20958984]

約数ペア:

[(1, 20958984), (2, 10479492), (3, 6986328), (4, 5239746), (6, 3493164), (8, 2619873), (9, 2328776), (12, 1746582), (18, 1164388), (24, 873291), (36, 582194), (72, 291097), (97, 216072), (194, 108036), (291, 72024), (388, 54018), (582, 36012), (776, 27009), (873, 24008), (1164, 18006), (1746, 12004), (2328, 9003), (3001, 6984), (3492, 6002)]