20810076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247739}}^1$

素因数の和:247753

約数の個数: 24

約数和(自身を含む): 55493760

約数和(自身を除く): 34683684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247739, 495478, 743217, 990956, 1486434, 1734173, 2972868, 3468346, 5202519, 6936692, 10405038, 20810076]

約数ペア:

[(1, 20810076), (2, 10405038), (3, 6936692), (4, 5202519), (6, 3468346), (7, 2972868), (12, 1734173), (14, 1486434), (21, 990956), (28, 743217), (42, 495478), (84, 247739)]