20484072

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 64209600

約数和(自身を除く): 43725528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 97, 126, 168, 194, 252, 291, 388, 419, 504, 582, 679, 776, 838, 873, 1164, 1257, 1358, 1676, 1746, 2037, 2328, 2514, 2716, 2933, 3352, 3492, 3771, 4074, 5028, 5432, 5866, 6111, 6984, 7542, 8148, 8799, 10056, 11732, 12222, 15084, 16296, 17598, 23464, 24444, 26397, 30168, 35196, 40643, 48888, 52794, 70392, 81286, 105588, 121929, 162572, 211176, 243858, 284501, 325144, 365787, 487716, 569002, 731574, 853503, 975432, 1138004, 1463148, 1707006, 2276008, 2560509, 2926296, 3414012, 5121018, 6828024, 10242036, 20484072]

約数ペア:

[(1, 20484072), (2, 10242036), (3, 6828024), (4, 5121018), (6, 3414012), (7, 2926296), (8, 2560509), (9, 2276008), (12, 1707006), (14, 1463148), (18, 1138004), (21, 975432), (24, 853503), (28, 731574), (36, 569002), (42, 487716), (56, 365787), (63, 325144), (72, 284501), (84, 243858), (97, 211176), (126, 162572), (168, 121929), (194, 105588), (252, 81286), (291, 70392), (388, 52794), (419, 48888), (504, 40643), (582, 35196), (679, 30168), (776, 26397), (838, 24444), (873, 23464), (1164, 17598), (1257, 16296), (1358, 15084), (1676, 12222), (1746, 11732), (2037, 10056), (2328, 8799), (2514, 8148), (2716, 7542), (2933, 6984), (3352, 6111), (3492, 5866), (3771, 5432), (4074, 5028)]