20423175

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{887}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 33914496

約数和(自身を除く): 13491321

約数列:

[1, 3, 5, 15, 25, 75, 307, 887, 921, 1535, 2661, 4435, 4605, 7675, 13305, 22175, 23025, 66525, 272309, 816927, 1361545, 4084635, 6807725, 20423175]

約数ペア:

[(1, 20423175), (3, 6807725), (5, 4084635), (15, 1361545), (25, 816927), (75, 272309), (307, 66525), (887, 23025), (921, 22175), (1535, 13305), (2661, 7675), (4435, 4605)]