20851656

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 43948344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 147, 149, 168, 196, 204, 238, 294, 298, 343, 357, 392, 408, 447, 476, 588, 596, 686, 714, 833, 894, 952, 1029, 1043, 1176, 1192, 1372, 1428, 1666, 1788, 2058, 2086, 2499, 2533, 2744, 2856, 3129, 3332, 3576, 4116, 4172, 4998, 5066, 5831, 6258, 6664, 7301, 7599, 8232, 8344, 9996, 10132, 11662, 12516, 14602, 15198, 17493, 17731, 19992, 20264, 21903, 23324, 25032, 29204, 30396, 34986, 35462, 43806, 46648, 51107, 53193, 58408, 60792, 69972, 70924, 87612, 102214, 106386, 124117, 139944, 141848, 153321, 175224, 204428, 212772, 248234, 306642, 372351, 408856, 425544, 496468, 613284, 744702, 868819, 992936, 1226568, 1489404, 1737638, 2606457, 2978808, 3475276, 5212914, 6950552, 10425828, 20851656]

約数ペア:

[(1, 20851656), (2, 10425828), (3, 6950552), (4, 5212914), (6, 3475276), (7, 2978808), (8, 2606457), (12, 1737638), (14, 1489404), (17, 1226568), (21, 992936), (24, 868819), (28, 744702), (34, 613284), (42, 496468), (49, 425544), (51, 408856), (56, 372351), (68, 306642), (84, 248234), (98, 212772), (102, 204428), (119, 175224), (136, 153321), (147, 141848), (149, 139944), (168, 124117), (196, 106386), (204, 102214), (238, 87612), (294, 70924), (298, 69972), (343, 60792), (357, 58408), (392, 53193), (408, 51107), (447, 46648), (476, 43806), (588, 35462), (596, 34986), (686, 30396), (714, 29204), (833, 25032), (894, 23324), (952, 21903), (1029, 20264), (1043, 19992), (1176, 17731), (1192, 17493), (1372, 15198), (1428, 14602), (1666, 12516), (1788, 11662), (2058, 10132), (2086, 9996), (2499, 8344), (2533, 8232), (2744, 7599), (2856, 7301), (3129, 6664), (3332, 6258), (3576, 5831), (4116, 5066), (4172, 4998)]