20180670928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{6199}}^1$

素因数の和:6620

約数の個数: 80

約数和(自身を含む): 43590960000

約数和(自身を除く): 23410289072

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 349, 424, 583, 698, 848, 1166, 1396, 2332, 2792, 3839, 4664, 5584, 6199, 7678, 9328, 12398, 15356, 18497, 24796, 30712, 36994, 49592, 61424, 68189, 73988, 99184, 136378, 147976, 203467, 272756, 295952, 328547, 406934, 545512, 657094, 813868, 1091024, 1314188, 1627736, 2163451, 2628376, 3255472, 3614017, 4326902, 5256752, 7228034, 8653804, 14456068, 17307608, 23797961, 28912136, 34615216, 47595922, 57824272, 95191844, 114662903, 190383688, 229325806, 380767376, 458651612, 917303224, 1261291933, 1834606448, 2522583866, 5045167732, 10090335464, 20180670928]

約数ペア:

[(1, 20180670928), (2, 10090335464), (4, 5045167732), (8, 2522583866), (11, 1834606448), (16, 1261291933), (22, 917303224), (44, 458651612), (53, 380767376), (88, 229325806), (106, 190383688), (176, 114662903), (212, 95191844), (349, 57824272), (424, 47595922), (583, 34615216), (698, 28912136), (848, 23797961), (1166, 17307608), (1396, 14456068), (2332, 8653804), (2792, 7228034), (3839, 5256752), (4664, 4326902), (5584, 3614017), (6199, 3255472), (7678, 2628376), (9328, 2163451), (12398, 1627736), (15356, 1314188), (18497, 1091024), (24796, 813868), (30712, 657094), (36994, 545512), (49592, 406934), (61424, 328547), (68189, 295952), (73988, 272756), (99184, 203467), (136378, 147976)]