20656598018540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{716745247}}^1$

素因数の和:716745398

約数の個数: 48

約数和(自身を含む): 47683627858944

約数和(自身を除く): 27027029840404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 7205, 14410, 28820, 716745247, 1433490494, 2866980988, 3583726235, 7167452470, 7884197717, 14334904940, 15768395434, 31536790868, 39420988585, 78841977170, 93893627357, 157683954340, 187787254714, 375574509428, 469468136785, 938936273570, 1032829900927, 1877872547140, 2065659801854, 4131319603708, 5164149504635, 10328299009270, 20656598018540]

約数ペア:

[(1, 20656598018540), (2, 10328299009270), (4, 5164149504635), (5, 4131319603708), (10, 2065659801854), (11, 1877872547140), (20, 1032829900927), (22, 938936273570), (44, 469468136785), (55, 375574509428), (110, 187787254714), (131, 157683954340), (220, 93893627357), (262, 78841977170), (524, 39420988585), (655, 31536790868), (1310, 15768395434), (1441, 14334904940), (2620, 7884197717), (2882, 7167452470), (5764, 3583726235), (7205, 2866980988), (14410, 1433490494), (28820, 716745247)]