20087472

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 55710720

約数和(自身を除く): 35623248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 103, 136, 204, 206, 239, 272, 309, 408, 412, 478, 618, 717, 816, 824, 956, 1236, 1434, 1648, 1751, 1912, 2472, 2868, 3502, 3824, 4063, 4944, 5253, 5736, 7004, 8126, 10506, 11472, 12189, 14008, 16252, 21012, 24378, 24617, 28016, 32504, 42024, 48756, 49234, 65008, 73851, 84048, 97512, 98468, 147702, 195024, 196936, 295404, 393872, 418489, 590808, 836978, 1181616, 1255467, 1673956, 2510934, 3347912, 5021868, 6695824, 10043736, 20087472]

約数ペア:

[(1, 20087472), (2, 10043736), (3, 6695824), (4, 5021868), (6, 3347912), (8, 2510934), (12, 1673956), (16, 1255467), (17, 1181616), (24, 836978), (34, 590808), (48, 418489), (51, 393872), (68, 295404), (102, 196936), (103, 195024), (136, 147702), (204, 98468), (206, 97512), (239, 84048), (272, 73851), (309, 65008), (408, 49234), (412, 48756), (478, 42024), (618, 32504), (717, 28016), (816, 24617), (824, 24378), (956, 21012), (1236, 16252), (1434, 14008), (1648, 12189), (1751, 11472), (1912, 10506), (2472, 8126), (2868, 7004), (3502, 5736), (3824, 5253), (4063, 4944)]