20401472016

素因数分解:

$2^4\times 3^2\times {\mathrm{179}}^1\times {\mathrm{419}}^1\times {\mathrm{1889}}^1$

素因数の和:2501

約数の個数: 120

約数和(自身を含む): 57582252000

約数和(自身を除く): 37180779984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 179, 358, 419, 537, 716, 838, 1074, 1257, 1432, 1611, 1676, 1889, 2148, 2514, 2864, 3222, 3352, 3771, 3778, 4296, 5028, 5667, 6444, 6704, 7542, 7556, 8592, 10056, 11334, 12888, 15084, 15112, 17001, 20112, 22668, 25776, 30168, 30224, 34002, 45336, 60336, 68004, 75001, 90672, 136008, 150002, 225003, 272016, 300004, 338131, 450006, 600008, 675009, 676262, 791491, 900012, 1014393, 1200016, 1350018, 1352524, 1582982, 1800024, 2028786, 2374473, 2700036, 2705048, 3043179, 3165964, 3600048, 4057572, 4748946, 5400072, 5410096, 6086358, 6331928, 7123419, 8115144, 9497892, 10800144, 12172716, 12663856, 14246838, 16230288, 18995784, 24345432, 28493676, 37991568, 48690864, 56987352, 113974704, 141676889, 283353778, 425030667, 566707556, 850061334, 1133415112, 1275092001, 1700122668, 2266830224, 2550184002, 3400245336, 5100368004, 6800490672, 10200736008, 20401472016]

約数ペア:

[(1, 20401472016), (2, 10200736008), (3, 6800490672), (4, 5100368004), (6, 3400245336), (8, 2550184002), (9, 2266830224), (12, 1700122668), (16, 1275092001), (18, 1133415112), (24, 850061334), (36, 566707556), (48, 425030667), (72, 283353778), (144, 141676889), (179, 113974704), (358, 56987352), (419, 48690864), (537, 37991568), (716, 28493676), (838, 24345432), (1074, 18995784), (1257, 16230288), (1432, 14246838), (1611, 12663856), (1676, 12172716), (1889, 10800144), (2148, 9497892), (2514, 8115144), (2864, 7123419), (3222, 6331928), (3352, 6086358), (3771, 5410096), (3778, 5400072), (4296, 4748946), (5028, 4057572), (5667, 3600048), (6444, 3165964), (6704, 3043179), (7542, 2705048), (7556, 2700036), (8592, 2374473), (10056, 2028786), (11334, 1800024), (12888, 1582982), (15084, 1352524), (15112, 1350018), (17001, 1200016), (20112, 1014393), (22668, 900012), (25776, 791491), (30168, 676262), (30224, 675009), (34002, 600008), (45336, 450006), (60336, 338131), (68004, 300004), (75001, 272016), (90672, 225003), (136008, 150002)]