20394052

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15497}}^1$

素因数の和:15555

約数の個数: 24

約数和(自身を含む): 41658624

約数和(自身を除く): 21264572

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15497, 30994, 61988, 108479, 216958, 433916, 728359, 1456718, 2913436, 5098513, 10197026, 20394052]

約数ペア:

[(1, 20394052), (2, 10197026), (4, 5098513), (7, 2913436), (14, 1456718), (28, 728359), (47, 433916), (94, 216958), (188, 108479), (329, 61988), (658, 30994), (1316, 15497)]