20173950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:498

約数の個数: 72

約数和(自身を含む): 54782208

約数和(自身を除く): 34608258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 127, 150, 225, 254, 353, 381, 450, 635, 706, 762, 1059, 1143, 1270, 1765, 1905, 2118, 2286, 3175, 3177, 3530, 3810, 5295, 5715, 6350, 6354, 8825, 9525, 10590, 11430, 15885, 17650, 19050, 26475, 28575, 31770, 44831, 52950, 57150, 79425, 89662, 134493, 158850, 224155, 268986, 403479, 448310, 672465, 806958, 1120775, 1344930, 2017395, 2241550, 3362325, 4034790, 6724650, 10086975, 20173950]

約数ペア:

[(1, 20173950), (2, 10086975), (3, 6724650), (5, 4034790), (6, 3362325), (9, 2241550), (10, 2017395), (15, 1344930), (18, 1120775), (25, 806958), (30, 672465), (45, 448310), (50, 403479), (75, 268986), (90, 224155), (127, 158850), (150, 134493), (225, 89662), (254, 79425), (353, 57150), (381, 52950), (450, 44831), (635, 31770), (706, 28575), (762, 26475), (1059, 19050), (1143, 17650), (1270, 15885), (1765, 11430), (1905, 10590), (2118, 9525), (2286, 8825), (3175, 6354), (3177, 6350), (3530, 5715), (3810, 5295)]