20017872

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2837}}^1$

素因数の和:2865

約数の個数: 90

約数和(自身を含む): 65191698

約数和(自身を除く): 45173826

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2837, 3528, 5674, 7056, 8511, 11348, 17022, 19859, 22696, 25533, 34044, 39718, 45392, 51066, 59577, 68088, 79436, 102132, 119154, 136176, 139013, 158872, 178731, 204264, 238308, 278026, 317744, 357462, 408528, 417039, 476616, 556052, 714924, 834078, 953232, 1112104, 1251117, 1429848, 1668156, 2224208, 2502234, 2859696, 3336312, 5004468, 6672624, 10008936, 20017872]

約数ペア:

[(1, 20017872), (2, 10008936), (3, 6672624), (4, 5004468), (6, 3336312), (7, 2859696), (8, 2502234), (9, 2224208), (12, 1668156), (14, 1429848), (16, 1251117), (18, 1112104), (21, 953232), (24, 834078), (28, 714924), (36, 556052), (42, 476616), (48, 417039), (49, 408528), (56, 357462), (63, 317744), (72, 278026), (84, 238308), (98, 204264), (112, 178731), (126, 158872), (144, 139013), (147, 136176), (168, 119154), (196, 102132), (252, 79436), (294, 68088), (336, 59577), (392, 51066), (441, 45392), (504, 39718), (588, 34044), (784, 25533), (882, 22696), (1008, 19859), (1176, 17022), (1764, 11348), (2352, 8511), (2837, 7056), (3528, 5674)]