20004845

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12161}}^1$

素因数の和:12220

約数の個数: 16

約数和(自身を含む): 28021248

約数和(自身を除く): 8016403

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12161, 60805, 85127, 425635, 571567, 2857835, 4000969, 20004845]

約数ペア:

[(1, 20004845), (5, 4000969), (7, 2857835), (35, 571567), (47, 425635), (235, 85127), (329, 60805), (1645, 12161)]