20819325

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3119}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 34819200

約数和(自身を除く): 13999875

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 3119, 6675, 9357, 15595, 46785, 77975, 233925, 277591, 832773, 1387955, 4163865, 6939775, 20819325]

約数ペア:

[(1, 20819325), (3, 6939775), (5, 4163865), (15, 1387955), (25, 832773), (75, 277591), (89, 233925), (267, 77975), (445, 46785), (1335, 15595), (2225, 9357), (3119, 6675)]