20168964

素因数分解:

$2^2\times 3^2\times {\mathrm{560249}}^1$

素因数の和:560259

約数の個数: 18

約数和(自身を含む): 50982750

約数和(自身を除く): 30813786

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560249, 1120498, 1680747, 2240996, 3361494, 5042241, 6722988, 10084482, 20168964]

約数ペア:

[(1, 20168964), (2, 10084482), (3, 6722988), (4, 5042241), (6, 3361494), (9, 2240996), (12, 1680747), (18, 1120498), (36, 560249)]