20207572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65609}}^1$

素因数の和:65631

約数の個数: 24

約数和(自身を含む): 44089920

約数和(自身を除く): 23882348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65609, 131218, 262436, 459263, 721699, 918526, 1443398, 1837052, 2886796, 5051893, 10103786, 20207572]

約数ペア:

[(1, 20207572), (2, 10103786), (4, 5051893), (7, 2886796), (11, 1837052), (14, 1443398), (22, 918526), (28, 721699), (44, 459263), (77, 262436), (154, 131218), (308, 65609)]