20228934680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{8627}}^1$

素因数の和:8761

約数の個数: 96

約数和(自身を含む): 47807230320

約数和(自身を除く): 27578295640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 961, 1220, 1240, 1891, 1922, 2440, 3782, 3844, 4805, 7564, 7688, 8627, 9455, 9610, 15128, 17254, 18910, 19220, 34508, 37820, 38440, 43135, 58621, 69016, 75640, 86270, 117242, 172540, 234484, 267437, 293105, 345080, 468968, 526247, 534874, 586210, 1052494, 1069748, 1172420, 1337185, 2104988, 2139496, 2344840, 2631235, 2674370, 4209976, 5262470, 5348740, 8290547, 10524940, 10697480, 16313657, 16581094, 21049880, 32627314, 33162188, 41452735, 65254628, 66324376, 81568285, 82905470, 130509256, 163136570, 165810940, 326273140, 331621880, 505723367, 652546280, 1011446734, 2022893468, 2528616835, 4045786936, 5057233670, 10114467340, 20228934680]

約数ペア:

[(1, 20228934680), (2, 10114467340), (4, 5057233670), (5, 4045786936), (8, 2528616835), (10, 2022893468), (20, 1011446734), (31, 652546280), (40, 505723367), (61, 331621880), (62, 326273140), (122, 165810940), (124, 163136570), (155, 130509256), (244, 82905470), (248, 81568285), (305, 66324376), (310, 65254628), (488, 41452735), (610, 33162188), (620, 32627314), (961, 21049880), (1220, 16581094), (1240, 16313657), (1891, 10697480), (1922, 10524940), (2440, 8290547), (3782, 5348740), (3844, 5262470), (4805, 4209976), (7564, 2674370), (7688, 2631235), (8627, 2344840), (9455, 2139496), (9610, 2104988), (15128, 1337185), (17254, 1172420), (18910, 1069748), (19220, 1052494), (34508, 586210), (37820, 534874), (38440, 526247), (43135, 468968), (58621, 345080), (69016, 293105), (75640, 267437), (86270, 234484), (117242, 172540)]