20987250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{27983}}^1$

素因数の和:28003

約数の個数: 32

約数和(自身を含む): 52386048

約数和(自身を除く): 31398798

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750, 27983, 55966, 83949, 139915, 167898, 279830, 419745, 699575, 839490, 1399150, 2098725, 3497875, 4197450, 6995750, 10493625, 20987250]

約数ペア:

[(1, 20987250), (2, 10493625), (3, 6995750), (5, 4197450), (6, 3497875), (10, 2098725), (15, 1399150), (25, 839490), (30, 699575), (50, 419745), (75, 279830), (125, 167898), (150, 139915), (250, 83949), (375, 55966), (750, 27983)]