20152638

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 80

約数和(自身を含む): 50599296

約数和(自身を除く): 30446658

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 81, 86, 99, 129, 162, 198, 258, 263, 297, 387, 473, 526, 594, 774, 789, 891, 946, 1161, 1419, 1578, 1782, 2322, 2367, 2838, 2893, 3483, 4257, 4734, 5786, 6966, 7101, 8514, 8679, 11309, 12771, 14202, 17358, 21303, 22618, 25542, 26037, 33927, 38313, 42606, 52074, 67854, 76626, 78111, 101781, 124399, 156222, 203562, 234333, 248798, 305343, 373197, 468666, 610686, 746394, 916029, 1119591, 1832058, 2239182, 3358773, 6717546, 10076319, 20152638]

約数ペア:

[(1, 20152638), (2, 10076319), (3, 6717546), (6, 3358773), (9, 2239182), (11, 1832058), (18, 1119591), (22, 916029), (27, 746394), (33, 610686), (43, 468666), (54, 373197), (66, 305343), (81, 248798), (86, 234333), (99, 203562), (129, 156222), (162, 124399), (198, 101781), (258, 78111), (263, 76626), (297, 67854), (387, 52074), (473, 42606), (526, 38313), (594, 33927), (774, 26037), (789, 25542), (891, 22618), (946, 21303), (1161, 17358), (1419, 14202), (1578, 12771), (1782, 11309), (2322, 8679), (2367, 8514), (2838, 7101), (2893, 6966), (3483, 5786), (4257, 4734)]