20943560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47599}}^1$

素因数の和:47621

約数の個数: 32

約数和(自身を含む): 51408000

約数和(自身を除く): 30464440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47599, 95198, 190396, 237995, 380792, 475990, 523589, 951980, 1047178, 1903960, 2094356, 2617945, 4188712, 5235890, 10471780, 20943560]

約数ペア:

[(1, 20943560), (2, 10471780), (4, 5235890), (5, 4188712), (8, 2617945), (10, 2094356), (11, 1903960), (20, 1047178), (22, 951980), (40, 523589), (44, 475990), (55, 380792), (88, 237995), (110, 190396), (220, 95198), (440, 47599)]