20700360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6389}}^1$

素因数の和:6412

約数の個数: 80

約数和(自身を含む): 69587100

約数和(自身を除く): 48886740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6389, 12778, 19167, 25556, 31945, 38334, 51112, 57501, 63890, 76668, 95835, 115002, 127780, 153336, 172503, 191670, 230004, 255560, 287505, 345006, 383340, 460008, 517509, 575010, 690012, 766680, 862515, 1035018, 1150020, 1380024, 1725030, 2070036, 2300040, 2587545, 3450060, 4140072, 5175090, 6900120, 10350180, 20700360]

約数ペア:

[(1, 20700360), (2, 10350180), (3, 6900120), (4, 5175090), (5, 4140072), (6, 3450060), (8, 2587545), (9, 2300040), (10, 2070036), (12, 1725030), (15, 1380024), (18, 1150020), (20, 1035018), (24, 862515), (27, 766680), (30, 690012), (36, 575010), (40, 517509), (45, 460008), (54, 383340), (60, 345006), (72, 287505), (81, 255560), (90, 230004), (108, 191670), (120, 172503), (135, 153336), (162, 127780), (180, 115002), (216, 95835), (270, 76668), (324, 63890), (360, 57501), (405, 51112), (540, 38334), (648, 31945), (810, 25556), (1080, 19167), (1620, 12778), (3240, 6389)]