20792375996

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{409589}}^1$

素因数の和:409651

約数の個数: 48

約数和(自身を含む): 43580376000

約数和(自身を除く): 22788000004

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 686, 1036, 1372, 1813, 3626, 7252, 12691, 25382, 50764, 409589, 819178, 1638356, 2867123, 5734246, 11468492, 15154793, 20069861, 30309586, 40139722, 60619172, 80279444, 106083551, 140489027, 212167102, 280978054, 424334204, 561956108, 742584857, 1485169714, 2970339428, 5198093999, 10396187998, 20792375996]

約数ペア:

[(1, 20792375996), (2, 10396187998), (4, 5198093999), (7, 2970339428), (14, 1485169714), (28, 742584857), (37, 561956108), (49, 424334204), (74, 280978054), (98, 212167102), (148, 140489027), (196, 106083551), (259, 80279444), (343, 60619172), (518, 40139722), (686, 30309586), (1036, 20069861), (1372, 15154793), (1813, 11468492), (3626, 5734246), (7252, 2867123), (12691, 1638356), (25382, 819178), (50764, 409589)]