20111223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26497}}^1$

素因数の和:26534

約数の個数: 16

約数和(自身を含む): 30525696

約数和(自身を除く): 10414473

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26497, 79491, 291467, 609431, 874401, 1828293, 6703741, 20111223]

約数ペア:

[(1, 20111223), (3, 6703741), (11, 1828293), (23, 874401), (33, 609431), (69, 291467), (253, 79491), (759, 26497)]