20842956

素因数分解:

$2^2\times 3^2\times {\mathrm{578971}}^1$

素因数の和:578981

約数の個数: 18

約数和(自身を含む): 52686452

約数和(自身を除く): 31843496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578971, 1157942, 1736913, 2315884, 3473826, 5210739, 6947652, 10421478, 20842956]

約数ペア:

[(1, 20842956), (2, 10421478), (3, 6947652), (4, 5210739), (6, 3473826), (9, 2315884), (12, 1736913), (18, 1157942), (36, 578971)]