11391220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{5323}}^1$

素因数の和:5439

約数の個数: 24

約数和(自身を含む): 24149664

約数和(自身を除く): 12758444

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 5323, 10646, 21292, 26615, 53230, 106460, 569561, 1139122, 2278244, 2847805, 5695610, 11391220]

約数ペア:

[(1, 11391220), (2, 5695610), (4, 2847805), (5, 2278244), (10, 1139122), (20, 569561), (107, 106460), (214, 53230), (428, 26615), (535, 21292), (1070, 10646), (2140, 5323)]