20171642816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{39551}}^1$

素因数の和:40189

約数の個数: 56

約数和(自身を含む): 43178601984

約数和(自身を除く): 23006959168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 613, 832, 1226, 2452, 4904, 7969, 9808, 15938, 19616, 31876, 39232, 39551, 63752, 79102, 127504, 158204, 255008, 316408, 510016, 514163, 632816, 1028326, 1265632, 2056652, 2531264, 4113304, 8226608, 16453216, 24244763, 32906432, 48489526, 96979052, 193958104, 315181919, 387916208, 630363838, 775832416, 1260727676, 1551664832, 2521455352, 5042910704, 10085821408, 20171642816]

約数ペア:

[(1, 20171642816), (2, 10085821408), (4, 5042910704), (8, 2521455352), (13, 1551664832), (16, 1260727676), (26, 775832416), (32, 630363838), (52, 387916208), (64, 315181919), (104, 193958104), (208, 96979052), (416, 48489526), (613, 32906432), (832, 24244763), (1226, 16453216), (2452, 8226608), (4904, 4113304), (7969, 2531264), (9808, 2056652), (15938, 1265632), (19616, 1028326), (31876, 632816), (39232, 514163), (39551, 510016), (63752, 316408), (79102, 255008), (127504, 158204)]