20959992

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{4219}}^1$

素因数の和:4257

約数の個数: 64

約数和(自身を含む): 60768000

約数和(自身を除く): 39808008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4219, 4968, 8438, 12657, 16876, 25314, 33752, 37971, 50628, 75942, 97037, 101256, 113913, 151884, 194074, 227826, 291111, 303768, 388148, 455652, 582222, 776296, 873333, 911304, 1164444, 1746666, 2328888, 2619999, 3493332, 5239998, 6986664, 10479996, 20959992]

約数ペア:

[(1, 20959992), (2, 10479996), (3, 6986664), (4, 5239998), (6, 3493332), (8, 2619999), (9, 2328888), (12, 1746666), (18, 1164444), (23, 911304), (24, 873333), (27, 776296), (36, 582222), (46, 455652), (54, 388148), (69, 303768), (72, 291111), (92, 227826), (108, 194074), (138, 151884), (184, 113913), (207, 101256), (216, 97037), (276, 75942), (414, 50628), (552, 37971), (621, 33752), (828, 25314), (1242, 16876), (1656, 12657), (2484, 8438), (4219, 4968)]