20212304

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 47616000

約数和(自身を除く): 27403696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 127, 196, 203, 232, 254, 343, 392, 406, 464, 508, 686, 784, 812, 889, 1016, 1372, 1421, 1624, 1778, 2032, 2744, 2842, 3248, 3556, 3683, 5488, 5684, 6223, 7112, 7366, 9947, 11368, 12446, 14224, 14732, 19894, 22736, 24892, 25781, 29464, 39788, 43561, 49784, 51562, 58928, 79576, 87122, 99568, 103124, 159152, 174244, 180467, 206248, 348488, 360934, 412496, 696976, 721868, 1263269, 1443736, 2526538, 2887472, 5053076, 10106152, 20212304]

約数ペア:

[(1, 20212304), (2, 10106152), (4, 5053076), (7, 2887472), (8, 2526538), (14, 1443736), (16, 1263269), (28, 721868), (29, 696976), (49, 412496), (56, 360934), (58, 348488), (98, 206248), (112, 180467), (116, 174244), (127, 159152), (196, 103124), (203, 99568), (232, 87122), (254, 79576), (343, 58928), (392, 51562), (406, 49784), (464, 43561), (508, 39788), (686, 29464), (784, 25781), (812, 24892), (889, 22736), (1016, 19894), (1372, 14732), (1421, 14224), (1624, 12446), (1778, 11368), (2032, 9947), (2744, 7366), (2842, 7112), (3248, 6223), (3556, 5684), (3683, 5488)]