20491940938

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{558029}}^1$

素因数の和:558142

約数の個数: 32

約数和(自身を含む): 36535340160

約数和(自身を除く): 16043399222

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 602, 854, 2623, 5246, 18361, 36722, 558029, 1116058, 3906203, 7812406, 23995247, 34039769, 47990494, 68079538, 167966729, 238278383, 335933458, 476556766, 1463710067, 2927420134, 10245970469, 20491940938]

約数ペア:

[(1, 20491940938), (2, 10245970469), (7, 2927420134), (14, 1463710067), (43, 476556766), (61, 335933458), (86, 238278383), (122, 167966729), (301, 68079538), (427, 47990494), (602, 34039769), (854, 23995247), (2623, 7812406), (5246, 3906203), (18361, 1116058), (36722, 558029)]