20483860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35317}}^1$

素因数の和:35355

約数の個数: 24

約数和(自身を含む): 44500680

約数和(自身を除く): 24016820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35317, 70634, 141268, 176585, 353170, 706340, 1024193, 2048386, 4096772, 5120965, 10241930, 20483860]

約数ペア:

[(1, 20483860), (2, 10241930), (4, 5120965), (5, 4096772), (10, 2048386), (20, 1024193), (29, 706340), (58, 353170), (116, 176585), (145, 141268), (290, 70634), (580, 35317)]