20552868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81559}}^1$

素因数の和:81576

約数の個数: 36

約数和(自身を含む): 59375680

約数和(自身を除く): 38822812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81559, 163118, 244677, 326236, 489354, 570913, 734031, 978708, 1141826, 1468062, 1712739, 2283652, 2936124, 3425478, 5138217, 6850956, 10276434, 20552868]

約数ペア:

[(1, 20552868), (2, 10276434), (3, 6850956), (4, 5138217), (6, 3425478), (7, 2936124), (9, 2283652), (12, 1712739), (14, 1468062), (18, 1141826), (21, 978708), (28, 734031), (36, 570913), (42, 489354), (63, 326236), (84, 244677), (126, 163118), (252, 81559)]