820495956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{19813}}^1$

素因数の和:19873

約数の個数: 96

約数和(自身を含む): 2396701440

約数和(自身を除く): 1576205484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 29, 34, 42, 51, 58, 68, 84, 87, 102, 116, 119, 174, 203, 204, 238, 348, 357, 406, 476, 493, 609, 714, 812, 986, 1218, 1428, 1479, 1972, 2436, 2958, 3451, 5916, 6902, 10353, 13804, 19813, 20706, 39626, 41412, 59439, 79252, 118878, 138691, 237756, 277382, 336821, 416073, 554764, 574577, 673642, 832146, 1010463, 1149154, 1347284, 1664292, 1723731, 2020926, 2298308, 2357747, 3447462, 4022039, 4041852, 4715494, 6894924, 7073241, 8044078, 9430988, 9767809, 12066117, 14146482, 16088156, 19535618, 24132234, 28292964, 29303427, 39071236, 48264468, 58606854, 68374663, 117213708, 136749326, 205123989, 273498652, 410247978, 820495956]

約数ペア:

[(1, 820495956), (2, 410247978), (3, 273498652), (4, 205123989), (6, 136749326), (7, 117213708), (12, 68374663), (14, 58606854), (17, 48264468), (21, 39071236), (28, 29303427), (29, 28292964), (34, 24132234), (42, 19535618), (51, 16088156), (58, 14146482), (68, 12066117), (84, 9767809), (87, 9430988), (102, 8044078), (116, 7073241), (119, 6894924), (174, 4715494), (203, 4041852), (204, 4022039), (238, 3447462), (348, 2357747), (357, 2298308), (406, 2020926), (476, 1723731), (493, 1664292), (609, 1347284), (714, 1149154), (812, 1010463), (986, 832146), (1218, 673642), (1428, 574577), (1479, 554764), (1972, 416073), (2436, 336821), (2958, 277382), (3451, 237756), (5916, 138691), (6902, 118878), (10353, 79252), (13804, 59439), (19813, 41412), (20706, 39626)]