20575225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 29051712

約数和(自身を除く): 8476487

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3253, 6325, 16265, 35783, 74819, 81325, 178915, 374095, 823009, 894575, 1870475, 4115045, 20575225]

約数ペア:

[(1, 20575225), (5, 4115045), (11, 1870475), (23, 894575), (25, 823009), (55, 374095), (115, 178915), (253, 81325), (275, 74819), (575, 35783), (1265, 16265), (3253, 6325)]