20877024

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 64060416

約数和(自身を除く): 43183392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 56, 84, 94, 96, 112, 141, 168, 188, 224, 282, 329, 336, 376, 564, 658, 661, 672, 752, 987, 1128, 1316, 1322, 1504, 1974, 1983, 2256, 2632, 2644, 3948, 3966, 4512, 4627, 5264, 5288, 7896, 7932, 9254, 10528, 10576, 13881, 15792, 15864, 18508, 21152, 27762, 31067, 31584, 31728, 37016, 55524, 62134, 63456, 74032, 93201, 111048, 124268, 148064, 186402, 217469, 222096, 248536, 372804, 434938, 444192, 497072, 652407, 745608, 869876, 994144, 1304814, 1491216, 1739752, 2609628, 2982432, 3479504, 5219256, 6959008, 10438512, 20877024]

約数ペア:

[(1, 20877024), (2, 10438512), (3, 6959008), (4, 5219256), (6, 3479504), (7, 2982432), (8, 2609628), (12, 1739752), (14, 1491216), (16, 1304814), (21, 994144), (24, 869876), (28, 745608), (32, 652407), (42, 497072), (47, 444192), (48, 434938), (56, 372804), (84, 248536), (94, 222096), (96, 217469), (112, 186402), (141, 148064), (168, 124268), (188, 111048), (224, 93201), (282, 74032), (329, 63456), (336, 62134), (376, 55524), (564, 37016), (658, 31728), (661, 31584), (672, 31067), (752, 27762), (987, 21152), (1128, 18508), (1316, 15864), (1322, 15792), (1504, 13881), (1974, 10576), (1983, 10528), (2256, 9254), (2632, 7932), (2644, 7896), (3948, 5288), (3966, 5264), (4512, 4627)]