20512166510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3011}}^1\times {\mathrm{3643}}^1$

素因数の和:6689

約数の個数: 64

約数和(自身を含む): 42673630464

約数和(自身を除く): 22161463954

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 3011, 3643, 6022, 7286, 15055, 18215, 30110, 33121, 36430, 40073, 51187, 61931, 66242, 80146, 102374, 123862, 165605, 200365, 255935, 309655, 331210, 400730, 511870, 563057, 619310, 681241, 1126114, 1362482, 2815285, 3406205, 5630570, 6812410, 10969073, 21938146, 54845365, 109690730, 120659803, 186474241, 241319606, 372948482, 603299015, 932371205, 1206598030, 1864742410, 2051216651, 4102433302, 10256083255, 20512166510]

約数ペア:

[(1, 20512166510), (2, 10256083255), (5, 4102433302), (10, 2051216651), (11, 1864742410), (17, 1206598030), (22, 932371205), (34, 603299015), (55, 372948482), (85, 241319606), (110, 186474241), (170, 120659803), (187, 109690730), (374, 54845365), (935, 21938146), (1870, 10969073), (3011, 6812410), (3643, 5630570), (6022, 3406205), (7286, 2815285), (15055, 1362482), (18215, 1126114), (30110, 681241), (33121, 619310), (36430, 563057), (40073, 511870), (51187, 400730), (61931, 331210), (66242, 309655), (80146, 255935), (102374, 200365), (123862, 165605)]