20265225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5749}}^1$

素因数の和:5809

約数の個数: 24

約数和(自身を含む): 34224000

約数和(自身を除く): 13958775

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5749, 17247, 28745, 86235, 143725, 270203, 431175, 810609, 1351015, 4053045, 6755075, 20265225]

約数ペア:

[(1, 20265225), (3, 6755075), (5, 4053045), (15, 1351015), (25, 810609), (47, 431175), (75, 270203), (141, 143725), (235, 86235), (705, 28745), (1175, 17247), (3525, 5749)]