20651260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8677}}^1$

素因数の和:8710

約数の個数: 48

約数和(自身を含む): 52484544

約数和(自身を除く): 31833284

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8677, 17354, 34708, 43385, 60739, 86770, 121478, 147509, 173540, 242956, 295018, 303695, 590036, 607390, 737545, 1032563, 1214780, 1475090, 2065126, 2950180, 4130252, 5162815, 10325630, 20651260]

約数ペア:

[(1, 20651260), (2, 10325630), (4, 5162815), (5, 4130252), (7, 2950180), (10, 2065126), (14, 1475090), (17, 1214780), (20, 1032563), (28, 737545), (34, 607390), (35, 590036), (68, 303695), (70, 295018), (85, 242956), (119, 173540), (140, 147509), (170, 121478), (238, 86770), (340, 60739), (476, 43385), (595, 34708), (1190, 17354), (2380, 8677)]