20993826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499853}}^1$

素因数の和:499865

約数の個数: 16

約数和(自身を含む): 47985984

約数和(自身を除く): 26992158

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499853, 999706, 1499559, 2999118, 3498971, 6997942, 10496913, 20993826]

約数ペア:

[(1, 20993826), (2, 10496913), (3, 6997942), (6, 3498971), (7, 2999118), (14, 1499559), (21, 999706), (42, 499853)]