20298675

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3041}}^1$

素因数の和:3143

約数の個数: 24

約数和(自身を含む): 33948720

約数和(自身を除く): 13650045

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 3041, 6675, 9123, 15205, 45615, 76025, 228075, 270649, 811947, 1353245, 4059735, 6766225, 20298675]

約数ペア:

[(1, 20298675), (3, 6766225), (5, 4059735), (15, 1353245), (25, 811947), (75, 270649), (89, 228075), (267, 76025), (445, 45615), (1335, 15205), (2225, 9123), (3041, 6675)]