20440868

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42943}}^1$

素因数の和:42971

約数の個数: 24

約数和(自身を含む): 43287552

約数和(自身を除く): 22846684

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42943, 85886, 171772, 300601, 601202, 730031, 1202404, 1460062, 2920124, 5110217, 10220434, 20440868]

約数ペア:

[(1, 20440868), (2, 10220434), (4, 5110217), (7, 2920124), (14, 1460062), (17, 1202404), (28, 730031), (34, 601202), (68, 300601), (119, 171772), (238, 85886), (476, 42943)]