20572524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81637}}^1$

素因数の和:81654

約数の個数: 36

約数和(自身を含む): 59432464

約数和(自身を除く): 38859940

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81637, 163274, 244911, 326548, 489822, 571459, 734733, 979644, 1142918, 1469466, 1714377, 2285836, 2938932, 3428754, 5143131, 6857508, 10286262, 20572524]

約数ペア:

[(1, 20572524), (2, 10286262), (3, 6857508), (4, 5143131), (6, 3428754), (7, 2938932), (9, 2285836), (12, 1714377), (14, 1469466), (18, 1142918), (21, 979644), (28, 734733), (36, 571459), (42, 489822), (63, 326548), (84, 244911), (126, 163274), (252, 81637)]