16905920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2297}}^1$

素因数の和:2337

約数の個数: 56

約数和(自身を含む): 42025824

約数和(自身を除く): 25119904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2297, 3680, 4594, 7360, 9188, 11485, 18376, 22970, 36752, 45940, 52831, 73504, 91880, 105662, 147008, 183760, 211324, 264155, 367520, 422648, 528310, 735040, 845296, 1056620, 1690592, 2113240, 3381184, 4226480, 8452960, 16905920]

約数ペア:

[(1, 16905920), (2, 8452960), (4, 4226480), (5, 3381184), (8, 2113240), (10, 1690592), (16, 1056620), (20, 845296), (23, 735040), (32, 528310), (40, 422648), (46, 367520), (64, 264155), (80, 211324), (92, 183760), (115, 147008), (160, 105662), (184, 91880), (230, 73504), (320, 52831), (368, 45940), (460, 36752), (736, 22970), (920, 18376), (1472, 11485), (1840, 9188), (2297, 7360), (3680, 4594)]