20475448

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2879}}^1$

素因数の和:3019

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 23761352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 2879, 3556, 5758, 7112, 11516, 20153, 23032, 40306, 80612, 161224, 365633, 731266, 1462532, 2559431, 2925064, 5118862, 10237724, 20475448]

約数ペア:

[(1, 20475448), (2, 10237724), (4, 5118862), (7, 2925064), (8, 2559431), (14, 1462532), (28, 731266), (56, 365633), (127, 161224), (254, 80612), (508, 40306), (889, 23032), (1016, 20153), (1778, 11516), (2879, 7112), (3556, 5758)]