20235625893

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{9973}}^1$

素因数の和:10143

約数の個数: 72

約数和(自身を含む): 35120767968

約数和(自身を除く): 14885142075

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 107, 129, 147, 301, 321, 387, 441, 749, 903, 963, 2107, 2247, 2709, 4601, 5243, 6321, 6741, 9973, 13803, 15729, 18963, 29919, 32207, 41409, 47187, 69811, 89757, 96621, 209433, 225449, 289863, 428839, 488677, 628299, 676347, 1067111, 1286517, 1466031, 2029041, 3001873, 3201333, 3859551, 4398093, 7469777, 9005619, 9603999, 21013111, 22409331, 27016857, 45885773, 52288439, 63039333, 67227993, 137657319, 156865317, 189117999, 321200411, 412971957, 470595951, 963601233, 2248402877, 2890803699, 6745208631, 20235625893]

約数ペア:

[(1, 20235625893), (3, 6745208631), (7, 2890803699), (9, 2248402877), (21, 963601233), (43, 470595951), (49, 412971957), (63, 321200411), (107, 189117999), (129, 156865317), (147, 137657319), (301, 67227993), (321, 63039333), (387, 52288439), (441, 45885773), (749, 27016857), (903, 22409331), (963, 21013111), (2107, 9603999), (2247, 9005619), (2709, 7469777), (4601, 4398093), (5243, 3859551), (6321, 3201333), (6741, 3001873), (9973, 2029041), (13803, 1466031), (15729, 1286517), (18963, 1067111), (29919, 676347), (32207, 628299), (41409, 488677), (47187, 428839), (69811, 289863), (89757, 225449), (96621, 209433)]