20173842

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 47757528

約数和(自身を除く): 27583686

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 234, 438, 657, 949, 1181, 1314, 1898, 2362, 2847, 3543, 5694, 7086, 8541, 10629, 15353, 17082, 21258, 30706, 46059, 86213, 92118, 138177, 172426, 258639, 276354, 517278, 775917, 1120769, 1551834, 2241538, 3362307, 6724614, 10086921, 20173842]

約数ペア:

[(1, 20173842), (2, 10086921), (3, 6724614), (6, 3362307), (9, 2241538), (13, 1551834), (18, 1120769), (26, 775917), (39, 517278), (73, 276354), (78, 258639), (117, 172426), (146, 138177), (219, 92118), (234, 86213), (438, 46059), (657, 30706), (949, 21258), (1181, 17082), (1314, 15353), (1898, 10629), (2362, 8541), (2847, 7086), (3543, 5694)]