20218072565

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1\times {\mathrm{56509}}^1$

素因数の和:57116

約数の個数: 16

約数和(自身を含む): 24466569600

約数和(自身を除く): 4248497035

約数列:

[1, 5, 163, 439, 815, 2195, 56509, 71557, 282545, 357785, 9210967, 24807451, 46054835, 124037255, 4043614513, 20218072565]

約数ペア:

[(1, 20218072565), (5, 4043614513), (163, 124037255), (439, 46054835), (815, 24807451), (2195, 9210967), (56509, 357785), (71557, 282545)]