20879584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2579}}^1$

素因数の和:2623

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 25931936

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 176, 184, 253, 352, 368, 506, 736, 1012, 2024, 2579, 4048, 5158, 8096, 10316, 20632, 28369, 41264, 56738, 59317, 82528, 113476, 118634, 226952, 237268, 453904, 474536, 652487, 907808, 949072, 1304974, 1898144, 2609948, 5219896, 10439792, 20879584]

約数ペア:

[(1, 20879584), (2, 10439792), (4, 5219896), (8, 2609948), (11, 1898144), (16, 1304974), (22, 949072), (23, 907808), (32, 652487), (44, 474536), (46, 453904), (88, 237268), (92, 226952), (176, 118634), (184, 113476), (253, 82528), (352, 59317), (368, 56738), (506, 41264), (736, 28369), (1012, 20632), (2024, 10316), (2579, 8096), (4048, 5158)]