20879750

素因数分解:

$2^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 39940992

約数和(自身を除く): 19061242

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 125, 235, 250, 470, 1175, 1777, 2350, 3554, 5875, 8885, 11750, 17770, 44425, 83519, 88850, 167038, 222125, 417595, 444250, 835190, 2087975, 4175950, 10439875, 20879750]

約数ペア:

[(1, 20879750), (2, 10439875), (5, 4175950), (10, 2087975), (25, 835190), (47, 444250), (50, 417595), (94, 222125), (125, 167038), (235, 88850), (250, 83519), (470, 44425), (1175, 17770), (1777, 11750), (2350, 8885), (3554, 5875)]