20123365785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{33353}}^1$

素因数の和:33482

約数の個数: 64

約数和(自身を含む): 35542022400

約数和(自身を除く): 15418656615

約数列:

[1, 3, 5, 15, 19, 29, 57, 73, 87, 95, 145, 219, 285, 365, 435, 551, 1095, 1387, 1653, 2117, 2755, 4161, 6351, 6935, 8265, 10585, 20805, 31755, 33353, 40223, 100059, 120669, 166765, 201115, 500295, 603345, 633707, 967237, 1901121, 2434769, 2901711, 3168535, 4836185, 7304307, 9505605, 12173845, 14508555, 18377503, 36521535, 46260611, 55132509, 70608301, 91887515, 138781833, 211824903, 231303055, 275662545, 353041505, 693909165, 1059124515, 1341557719, 4024673157, 6707788595, 20123365785]

約数ペア:

[(1, 20123365785), (3, 6707788595), (5, 4024673157), (15, 1341557719), (19, 1059124515), (29, 693909165), (57, 353041505), (73, 275662545), (87, 231303055), (95, 211824903), (145, 138781833), (219, 91887515), (285, 70608301), (365, 55132509), (435, 46260611), (551, 36521535), (1095, 18377503), (1387, 14508555), (1653, 12173845), (2117, 9505605), (2755, 7304307), (4161, 4836185), (6351, 3168535), (6935, 2901711), (8265, 2434769), (10585, 1901121), (20805, 967237), (31755, 633707), (33353, 603345), (40223, 500295), (100059, 201115), (120669, 166765)]