20030775

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 33249360

約数和(自身を除く): 13218585

約数列:

[1, 3, 5, 15, 25, 75, 409, 653, 1227, 1959, 2045, 3265, 6135, 9795, 10225, 16325, 30675, 48975, 267077, 801231, 1335385, 4006155, 6676925, 20030775]

約数ペア:

[(1, 20030775), (3, 6676925), (5, 4006155), (15, 1335385), (25, 801231), (75, 267077), (409, 48975), (653, 30675), (1227, 16325), (1959, 10225), (2045, 9795), (3265, 6135)]