20436039

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 34725600

約数和(自身を除く): 14289561

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 261, 317, 377, 551, 741, 951, 1131, 1653, 2223, 2853, 3393, 4121, 4959, 6023, 7163, 9193, 12363, 18069, 21489, 27579, 37089, 54207, 64467, 78299, 82737, 119509, 174667, 234897, 358527, 524001, 704691, 1075581, 1572003, 2270671, 6812013, 20436039]

約数ペア:

[(1, 20436039), (3, 6812013), (9, 2270671), (13, 1572003), (19, 1075581), (29, 704691), (39, 524001), (57, 358527), (87, 234897), (117, 174667), (171, 119509), (247, 82737), (261, 78299), (317, 64467), (377, 54207), (551, 37089), (741, 27579), (951, 21489), (1131, 18069), (1653, 12363), (2223, 9193), (2853, 7163), (3393, 6023), (4121, 4959)]