20179926904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{20297}}^1$

素因数の和:20564

約数の個数: 64

約数和(自身を含む): 41310489600

約数和(自身を除く): 21130562696

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 211, 248, 422, 589, 844, 1178, 1688, 2356, 4009, 4712, 6541, 8018, 13082, 16036, 20297, 26164, 32072, 40594, 52328, 81188, 124279, 162376, 248558, 385643, 497116, 629207, 771286, 994232, 1258414, 1542572, 2516828, 3085144, 4282667, 5033656, 8565334, 11954933, 17130668, 23909866, 34261336, 47819732, 81370673, 95639464, 132762677, 162741346, 265525354, 325482692, 531050708, 650965384, 1062101416, 2522490863, 5044981726, 10089963452, 20179926904]

約数ペア:

[(1, 20179926904), (2, 10089963452), (4, 5044981726), (8, 2522490863), (19, 1062101416), (31, 650965384), (38, 531050708), (62, 325482692), (76, 265525354), (124, 162741346), (152, 132762677), (211, 95639464), (248, 81370673), (422, 47819732), (589, 34261336), (844, 23909866), (1178, 17130668), (1688, 11954933), (2356, 8565334), (4009, 5033656), (4712, 4282667), (6541, 3085144), (8018, 2516828), (13082, 1542572), (16036, 1258414), (20297, 994232), (26164, 771286), (32072, 629207), (40594, 497116), (52328, 385643), (81188, 248558), (124279, 162376)]