20291208408

素因数分解:

$2^3\times 3^2\times {\mathrm{113}}^1\times {\mathrm{787}}^1\times {\mathrm{3169}}^1$

素因数の和:4081

約数の個数: 96

約数和(自身を含む): 55529650800

約数和(自身を除く): 35238442392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 113, 226, 339, 452, 678, 787, 904, 1017, 1356, 1574, 2034, 2361, 2712, 3148, 3169, 4068, 4722, 6296, 6338, 7083, 8136, 9444, 9507, 12676, 14166, 18888, 19014, 25352, 28332, 28521, 38028, 56664, 57042, 76056, 88931, 114084, 177862, 228168, 266793, 355724, 358097, 533586, 711448, 716194, 800379, 1067172, 1074291, 1432388, 1600758, 2134344, 2148582, 2494003, 2864776, 3201516, 3222873, 4297164, 4988006, 6403032, 6445746, 7482009, 8594328, 9976012, 12891492, 14964018, 19952024, 22446027, 25782984, 29928036, 44892054, 59856072, 89784108, 179568216, 281822339, 563644678, 845467017, 1127289356, 1690934034, 2254578712, 2536401051, 3381868068, 5072802102, 6763736136, 10145604204, 20291208408]

約数ペア:

[(1, 20291208408), (2, 10145604204), (3, 6763736136), (4, 5072802102), (6, 3381868068), (8, 2536401051), (9, 2254578712), (12, 1690934034), (18, 1127289356), (24, 845467017), (36, 563644678), (72, 281822339), (113, 179568216), (226, 89784108), (339, 59856072), (452, 44892054), (678, 29928036), (787, 25782984), (904, 22446027), (1017, 19952024), (1356, 14964018), (1574, 12891492), (2034, 9976012), (2361, 8594328), (2712, 7482009), (3148, 6445746), (3169, 6403032), (4068, 4988006), (4722, 4297164), (6296, 3222873), (6338, 3201516), (7083, 2864776), (8136, 2494003), (9444, 2148582), (9507, 2134344), (12676, 1600758), (14166, 1432388), (18888, 1074291), (19014, 1067172), (25352, 800379), (28332, 716194), (28521, 711448), (38028, 533586), (56664, 358097), (57042, 355724), (76056, 266793), (88931, 228168), (114084, 177862)]