2021842820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5320639}}^1$

素因数の和:5320667

約数の個数: 24

約数和(自身を含む): 4469337600

約数和(自身を除く): 2447494780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5320639, 10641278, 21282556, 26603195, 53206390, 101092141, 106412780, 202184282, 404368564, 505460705, 1010921410, 2021842820]

約数ペア:

[(1, 2021842820), (2, 1010921410), (4, 505460705), (5, 404368564), (10, 202184282), (19, 106412780), (20, 101092141), (38, 53206390), (76, 26603195), (95, 21282556), (190, 10641278), (380, 5320639)]