20845656

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22271}}^1$

素因数の和:22296

約数の個数: 48

約数和(自身を含む): 60802560

約数和(自身を除く): 39956904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22271, 44542, 66813, 89084, 133626, 178168, 200439, 267252, 289523, 400878, 534504, 579046, 801756, 868569, 1158092, 1603512, 1737138, 2316184, 2605707, 3474276, 5211414, 6948552, 10422828, 20845656]

約数ペア:

[(1, 20845656), (2, 10422828), (3, 6948552), (4, 5211414), (6, 3474276), (8, 2605707), (9, 2316184), (12, 1737138), (13, 1603512), (18, 1158092), (24, 868569), (26, 801756), (36, 579046), (39, 534504), (52, 400878), (72, 289523), (78, 267252), (104, 200439), (117, 178168), (156, 133626), (234, 89084), (312, 66813), (468, 44542), (936, 22271)]