20181764

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4139}}^1$

素因数の和:4219

約数の個数: 24

約数和(自身を含む): 37558080

約数和(自身を除く): 17376316

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4139, 4876, 8278, 16556, 95197, 190394, 219367, 380788, 438734, 877468, 5045441, 10090882, 20181764]

約数ペア:

[(1, 20181764), (2, 10090882), (4, 5045441), (23, 877468), (46, 438734), (53, 380788), (92, 219367), (106, 190394), (212, 95197), (1219, 16556), (2438, 8278), (4139, 4876)]