20463891

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7673}}^1$

素因数の和:7810

約数の個数: 16

約数和(自身を含む): 31432704

約数和(自身を除く): 10968813

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7673, 23019, 53711, 161133, 974471, 2923413, 6821297, 20463891]

約数ペア:

[(1, 20463891), (3, 6821297), (7, 2923413), (21, 974471), (127, 161133), (381, 53711), (889, 23019), (2667, 7673)]