20196990972

素因数分解:

$2^2\times 3^2\times {\mathrm{561027527}}^1$

素因数の和:561027537

約数の個数: 18

約数和(自身を含む): 51053505048

約数和(自身を除く): 30856514076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561027527, 1122055054, 1683082581, 2244110108, 3366165162, 5049247743, 6732330324, 10098495486, 20196990972]

約数ペア:

[(1, 20196990972), (2, 10098495486), (3, 6732330324), (4, 5049247743), (6, 3366165162), (9, 2244110108), (12, 1683082581), (18, 1122055054), (36, 561027527)]