20818644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22531}}^1$

素因数の和:22556

約数の個数: 48

約数和(自身を含む): 60566016

約数和(自身を除く): 39747372

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22531, 45062, 67593, 90124, 135186, 157717, 247841, 270372, 315434, 473151, 495682, 630868, 743523, 946302, 991364, 1487046, 1734887, 1892604, 2974092, 3469774, 5204661, 6939548, 10409322, 20818644]

約数ペア:

[(1, 20818644), (2, 10409322), (3, 6939548), (4, 5204661), (6, 3469774), (7, 2974092), (11, 1892604), (12, 1734887), (14, 1487046), (21, 991364), (22, 946302), (28, 743523), (33, 630868), (42, 495682), (44, 473151), (66, 315434), (77, 270372), (84, 247841), (132, 157717), (154, 135186), (231, 90124), (308, 67593), (462, 45062), (924, 22531)]