20947038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{498739}}^1$

素因数の和:498751

約数の個数: 16

約数和(自身を含む): 47879040

約数和(自身を除く): 26932002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 498739, 997478, 1496217, 2992434, 3491173, 6982346, 10473519, 20947038]

約数ペア:

[(1, 20947038), (2, 10473519), (3, 6982346), (6, 3491173), (7, 2992434), (14, 1496217), (21, 997478), (42, 498739)]