2020408075

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{90907}}^1$

素因数の和:91051

約数の個数: 24

約数和(自身を含む): 2885783552

約数和(自身を除く): 865375477

約数列:

[1, 5, 7, 25, 35, 127, 175, 635, 889, 3175, 4445, 22225, 90907, 454535, 636349, 2272675, 3181745, 11545189, 15908725, 57725945, 80816323, 288629725, 404081615, 2020408075]

約数ペア:

[(1, 2020408075), (5, 404081615), (7, 288629725), (25, 80816323), (35, 57725945), (127, 15908725), (175, 11545189), (635, 3181745), (889, 2272675), (3175, 636349), (4445, 454535), (22225, 90907)]