20135091116

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 41514816000

約数和(自身を除く): 21379724884

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 137, 157, 268, 274, 314, 469, 499, 548, 628, 938, 959, 998, 1099, 1876, 1918, 1996, 2198, 3493, 3836, 4396, 6986, 9179, 10519, 13972, 18358, 21038, 21509, 33433, 36716, 42076, 43018, 64253, 66866, 68363, 73633, 78343, 86036, 128506, 133732, 136726, 147266, 150563, 156686, 234031, 257012, 273452, 294532, 301126, 313372, 468062, 478541, 548401, 602252, 936124, 957082, 1096802, 1441103, 1914164, 2193604, 2882206, 4580321, 5248981, 5764412, 9160642, 10087721, 10497962, 10732991, 18321284, 20175442, 20995924, 21465982, 32062247, 36742867, 40350884, 42931964, 64124494, 73485734, 75130937, 128248988, 146971468, 150261874, 300523748, 719110397, 1438220794, 2876441588, 5033772779, 10067545558, 20135091116]

約数ペア:

[(1, 20135091116), (2, 10067545558), (4, 5033772779), (7, 2876441588), (14, 1438220794), (28, 719110397), (67, 300523748), (134, 150261874), (137, 146971468), (157, 128248988), (268, 75130937), (274, 73485734), (314, 64124494), (469, 42931964), (499, 40350884), (548, 36742867), (628, 32062247), (938, 21465982), (959, 20995924), (998, 20175442), (1099, 18321284), (1876, 10732991), (1918, 10497962), (1996, 10087721), (2198, 9160642), (3493, 5764412), (3836, 5248981), (4396, 4580321), (6986, 2882206), (9179, 2193604), (10519, 1914164), (13972, 1441103), (18358, 1096802), (21038, 957082), (21509, 936124), (33433, 602252), (36716, 548401), (42076, 478541), (43018, 468062), (64253, 313372), (66866, 301126), (68363, 294532), (73633, 273452), (78343, 257012), (86036, 234031), (128506, 156686), (133732, 150563), (136726, 147266)]