20215695040

素因数分解:

$2^6\times 5^1\times {\mathrm{4751}}^1\times {\mathrm{13297}}^1$

素因数の和:18065

約数の個数: 56

約数和(自身を含む): 48152377152

約数和(自身を除く): 27936682112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4751, 9502, 13297, 19004, 23755, 26594, 38008, 47510, 53188, 66485, 76016, 95020, 106376, 132970, 152032, 190040, 212752, 265940, 304064, 380080, 425504, 531880, 760160, 851008, 1063760, 1520320, 2127520, 4255040, 63174047, 126348094, 252696188, 315870235, 505392376, 631740470, 1010784752, 1263480940, 2021569504, 2526961880, 4043139008, 5053923760, 10107847520, 20215695040]

約数ペア:

[(1, 20215695040), (2, 10107847520), (4, 5053923760), (5, 4043139008), (8, 2526961880), (10, 2021569504), (16, 1263480940), (20, 1010784752), (32, 631740470), (40, 505392376), (64, 315870235), (80, 252696188), (160, 126348094), (320, 63174047), (4751, 4255040), (9502, 2127520), (13297, 1520320), (19004, 1063760), (23755, 851008), (26594, 760160), (38008, 531880), (47510, 425504), (53188, 380080), (66485, 304064), (76016, 265940), (95020, 212752), (106376, 190040), (132970, 152032)]