20217531785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1\times {\mathrm{4003}}^1$

素因数の和:4649

約数の個数: 32

約数和(自身を含む): 26655108480

約数和(自身を除く): 6437576695

約数列:

[1, 5, 11, 55, 229, 401, 1145, 2005, 2519, 4003, 4411, 12595, 20015, 22055, 44033, 91829, 220165, 459145, 916687, 1010119, 1605203, 4583435, 5050595, 8026015, 10083557, 17657233, 50417785, 88286165, 367591487, 1837957435, 4043506357, 20217531785]

約数ペア:

[(1, 20217531785), (5, 4043506357), (11, 1837957435), (55, 367591487), (229, 88286165), (401, 50417785), (1145, 17657233), (2005, 10083557), (2519, 8026015), (4003, 5050595), (4411, 4583435), (12595, 1605203), (20015, 1010119), (22055, 916687), (44033, 459145), (91829, 220165)]