20075207845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{17839}}^1$

素因数の和:17978

約数の個数: 64

約数和(自身を含む): 31238553600

約数和(自身を除く): 11163345755

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 79, 185, 259, 385, 395, 407, 553, 869, 1295, 2035, 2765, 2849, 2923, 4345, 6083, 14245, 14615, 17839, 20461, 30415, 32153, 89195, 102305, 124873, 160765, 196229, 225071, 624365, 660043, 981145, 1125355, 1373603, 1409281, 3300215, 4620301, 6868015, 7046405, 7260473, 9864967, 15502091, 23101505, 36302365, 49324835, 50823311, 52143397, 77510455, 108514637, 254116555, 260716985, 365003779, 542573185, 573577367, 1825018895, 2867886835, 4015041569, 20075207845]

約数ペア:

[(1, 20075207845), (5, 4015041569), (7, 2867886835), (11, 1825018895), (35, 573577367), (37, 542573185), (55, 365003779), (77, 260716985), (79, 254116555), (185, 108514637), (259, 77510455), (385, 52143397), (395, 50823311), (407, 49324835), (553, 36302365), (869, 23101505), (1295, 15502091), (2035, 9864967), (2765, 7260473), (2849, 7046405), (2923, 6868015), (4345, 4620301), (6083, 3300215), (14245, 1409281), (14615, 1373603), (17839, 1125355), (20461, 981145), (30415, 660043), (32153, 624365), (89195, 225071), (102305, 196229), (124873, 160765)]