20249992

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26406008

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 89, 119, 136, 178, 238, 239, 356, 476, 478, 623, 712, 952, 956, 1246, 1513, 1673, 1912, 2492, 3026, 3346, 4063, 4984, 6052, 6692, 8126, 10591, 12104, 13384, 16252, 21182, 21271, 28441, 32504, 42364, 42542, 56882, 84728, 85084, 113764, 148897, 170168, 227528, 297794, 361607, 595588, 723214, 1191176, 1446428, 2531249, 2892856, 5062498, 10124996, 20249992]

約数ペア:

[(1, 20249992), (2, 10124996), (4, 5062498), (7, 2892856), (8, 2531249), (14, 1446428), (17, 1191176), (28, 723214), (34, 595588), (56, 361607), (68, 297794), (89, 227528), (119, 170168), (136, 148897), (178, 113764), (238, 85084), (239, 84728), (356, 56882), (476, 42542), (478, 42364), (623, 32504), (712, 28441), (952, 21271), (956, 21182), (1246, 16252), (1513, 13384), (1673, 12104), (1912, 10591), (2492, 8126), (3026, 6692), (3346, 6052), (4063, 4984)]