20512732212

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{43}}^1\times {\mathrm{5519}}^1$

素因数の和:5600

約数の個数: 180

約数和(自身を含む): 61907926080

約数和(自身を除く): 41395193868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 343, 387, 441, 516, 588, 602, 686, 774, 882, 903, 1029, 1204, 1372, 1548, 1764, 1806, 2058, 2107, 2401, 2709, 3087, 3612, 4116, 4214, 4802, 5418, 5519, 6174, 6321, 7203, 8428, 9604, 10836, 11038, 12348, 12642, 14406, 14749, 16557, 18963, 21609, 22076, 25284, 28812, 29498, 33114, 37926, 38633, 43218, 44247, 49671, 58996, 66228, 75852, 77266, 86436, 88494, 99342, 103243, 115899, 132741, 154532, 176988, 198684, 206486, 231798, 237317, 265482, 270431, 309729, 347697, 412972, 463596, 474634, 530964, 540862, 619458, 695394, 711951, 811293, 929187, 949268, 1081724, 1238916, 1390788, 1423902, 1622586, 1661219, 1858374, 1893017, 2135853, 2433879, 2847804, 3245172, 3322438, 3716748, 3786034, 4271706, 4867758, 4983657, 5679051, 6644876, 7572068, 8543412, 9735516, 9967314, 11358102, 11628533, 13251119, 14950971, 17037153, 19934628, 22716204, 23257066, 26502238, 29901942, 34074306, 34885599, 39753357, 46514132, 53004476, 59803884, 68148612, 69771198, 79506714, 81399731, 104656797, 119260071, 139542396, 159013428, 162799462, 209313594, 238520142, 244199193, 325598924, 418627188, 477040284, 488398386, 569798117, 732597579, 976796772, 1139596234, 1465195158, 1709394351, 2279192468, 2930390316, 3418788702, 5128183053, 6837577404, 10256366106, 20512732212]

約数ペア:

[(1, 20512732212), (2, 10256366106), (3, 6837577404), (4, 5128183053), (6, 3418788702), (7, 2930390316), (9, 2279192468), (12, 1709394351), (14, 1465195158), (18, 1139596234), (21, 976796772), (28, 732597579), (36, 569798117), (42, 488398386), (43, 477040284), (49, 418627188), (63, 325598924), (84, 244199193), (86, 238520142), (98, 209313594), (126, 162799462), (129, 159013428), (147, 139542396), (172, 119260071), (196, 104656797), (252, 81399731), (258, 79506714), (294, 69771198), (301, 68148612), (343, 59803884), (387, 53004476), (441, 46514132), (516, 39753357), (588, 34885599), (602, 34074306), (686, 29901942), (774, 26502238), (882, 23257066), (903, 22716204), (1029, 19934628), (1204, 17037153), (1372, 14950971), (1548, 13251119), (1764, 11628533), (1806, 11358102), (2058, 9967314), (2107, 9735516), (2401, 8543412), (2709, 7572068), (3087, 6644876), (3612, 5679051), (4116, 4983657), (4214, 4867758), (4802, 4271706), (5418, 3786034), (5519, 3716748), (6174, 3322438), (6321, 3245172), (7203, 2847804), (8428, 2433879), (9604, 2135853), (10836, 1893017), (11038, 1858374), (12348, 1661219), (12642, 1622586), (14406, 1423902), (14749, 1390788), (16557, 1238916), (18963, 1081724), (21609, 949268), (22076, 929187), (25284, 811293), (28812, 711951), (29498, 695394), (33114, 619458), (37926, 540862), (38633, 530964), (43218, 474634), (44247, 463596), (49671, 412972), (58996, 347697), (66228, 309729), (75852, 270431), (77266, 265482), (86436, 237317), (88494, 231798), (99342, 206486), (103243, 198684), (115899, 176988), (132741, 154532)]