20707818

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8237}}^1$

素因数の和:8661

約数の個数: 16

約数和(自身を含む): 41519520

約数和(自身を除く): 20811702

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8237, 16474, 24711, 49422, 3451303, 6902606, 10353909, 20707818]

約数ペア:

[(1, 20707818), (2, 10353909), (3, 6902606), (6, 3451303), (419, 49422), (838, 24711), (1257, 16474), (2514, 8237)]