20216647560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1\times {\mathrm{4567}}^1$

素因数の和:5615

約数の個数: 128

約数和(自身を含む): 62365259520

約数和(自身を除く): 42148611960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 997, 1110, 1480, 1994, 2220, 2991, 3988, 4440, 4567, 4985, 5982, 7976, 9134, 9970, 11964, 13701, 14955, 18268, 19940, 22835, 23928, 27402, 29910, 36536, 36889, 39880, 45670, 54804, 59820, 68505, 73778, 91340, 109608, 110667, 119640, 137010, 147556, 168979, 182680, 184445, 221334, 274020, 295112, 337958, 368890, 442668, 506937, 548040, 553335, 675916, 737780, 844895, 885336, 1013874, 1106670, 1351832, 1475560, 1689790, 2027748, 2213340, 2534685, 3379580, 4055496, 4426680, 4553299, 5069370, 6759160, 9106598, 10138740, 13659897, 18213196, 20277480, 22766495, 27319794, 36426392, 45532990, 54639588, 68299485, 91065980, 109279176, 136598970, 168472063, 182131960, 273197940, 336944126, 505416189, 546395880, 673888252, 842360315, 1010832378, 1347776504, 1684720630, 2021664756, 2527080945, 3369441260, 4043329512, 5054161890, 6738882520, 10108323780, 20216647560]

約数ペア:

[(1, 20216647560), (2, 10108323780), (3, 6738882520), (4, 5054161890), (5, 4043329512), (6, 3369441260), (8, 2527080945), (10, 2021664756), (12, 1684720630), (15, 1347776504), (20, 1010832378), (24, 842360315), (30, 673888252), (37, 546395880), (40, 505416189), (60, 336944126), (74, 273197940), (111, 182131960), (120, 168472063), (148, 136598970), (185, 109279176), (222, 91065980), (296, 68299485), (370, 54639588), (444, 45532990), (555, 36426392), (740, 27319794), (888, 22766495), (997, 20277480), (1110, 18213196), (1480, 13659897), (1994, 10138740), (2220, 9106598), (2991, 6759160), (3988, 5069370), (4440, 4553299), (4567, 4426680), (4985, 4055496), (5982, 3379580), (7976, 2534685), (9134, 2213340), (9970, 2027748), (11964, 1689790), (13701, 1475560), (14955, 1351832), (18268, 1106670), (19940, 1013874), (22835, 885336), (23928, 844895), (27402, 737780), (29910, 675916), (36536, 553335), (36889, 548040), (39880, 506937), (45670, 442668), (54804, 368890), (59820, 337958), (68505, 295112), (73778, 274020), (91340, 221334), (109608, 184445), (110667, 182680), (119640, 168979), (137010, 147556)]