20005875

素因数分解:

$3^2\times 5^3\times {\mathrm{17783}}^1$

素因数の和:17804

約数の個数: 24

約数和(自身を含む): 36065952

約数和(自身を除く): 16060077

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 17783, 53349, 88915, 160047, 266745, 444575, 800235, 1333725, 2222875, 4001175, 6668625, 20005875]

約数ペア:

[(1, 20005875), (3, 6668625), (5, 4001175), (9, 2222875), (15, 1333725), (25, 800235), (45, 444575), (75, 266745), (125, 160047), (225, 88915), (375, 53349), (1125, 17783)]