20305995516

素因数分解:

$2^2\times 3^3\times {\mathrm{193}}^1\times {\mathrm{974189}}^1$

素因数の和:974395

約数の個数: 48

約数和(自身を含む): 52918000800

約数和(自身を除く): 32612005284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193, 386, 579, 772, 1158, 1737, 2316, 3474, 5211, 6948, 10422, 20844, 974189, 1948378, 2922567, 3896756, 5845134, 8767701, 11690268, 17535402, 26303103, 35070804, 52606206, 105212412, 188018477, 376036954, 564055431, 752073908, 1128110862, 1692166293, 2256221724, 3384332586, 5076498879, 6768665172, 10152997758, 20305995516]

約数ペア:

[(1, 20305995516), (2, 10152997758), (3, 6768665172), (4, 5076498879), (6, 3384332586), (9, 2256221724), (12, 1692166293), (18, 1128110862), (27, 752073908), (36, 564055431), (54, 376036954), (108, 188018477), (193, 105212412), (386, 52606206), (579, 35070804), (772, 26303103), (1158, 17535402), (1737, 11690268), (2316, 8767701), (3474, 5845134), (5211, 3896756), (6948, 2922567), (10422, 1948378), (20844, 974189)]