20655684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81967}}^1$

素因数の和:81984

約数の個数: 36

約数和(自身を含む): 59672704

約数和(自身を除く): 39017020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81967, 163934, 245901, 327868, 491802, 573769, 737703, 983604, 1147538, 1475406, 1721307, 2295076, 2950812, 3442614, 5163921, 6885228, 10327842, 20655684]

約数ペア:

[(1, 20655684), (2, 10327842), (3, 6885228), (4, 5163921), (6, 3442614), (7, 2950812), (9, 2295076), (12, 1721307), (14, 1475406), (18, 1147538), (21, 983604), (28, 737703), (36, 573769), (42, 491802), (63, 327868), (84, 245901), (126, 163934), (252, 81967)]