20973380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36161}}^1$

素因数の和:36199

約数の個数: 24

約数和(自身を含む): 45564120

約数和(自身を除く): 24590740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36161, 72322, 144644, 180805, 361610, 723220, 1048669, 2097338, 4194676, 5243345, 10486690, 20973380]

約数ペア:

[(1, 20973380), (2, 10486690), (4, 5243345), (5, 4194676), (10, 2097338), (20, 1048669), (29, 723220), (58, 361610), (116, 180805), (145, 144644), (290, 72322), (580, 36161)]