20216931831

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{701}}^1\times {\mathrm{9623}}^1$

素因数の和:10373

約数の個数: 40

約数和(自身を含む): 31064308704

約数和(自身を除く): 10847376873

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 701, 999, 2103, 2997, 6309, 9623, 18927, 25937, 28869, 56781, 77811, 86607, 233433, 259821, 356051, 700299, 779463, 1068153, 2100897, 3204459, 6745723, 9613377, 20237169, 28840131, 60711507, 182134521, 249591751, 546403563, 748775253, 2246325759, 6738977277, 20216931831]

約数ペア:

[(1, 20216931831), (3, 6738977277), (9, 2246325759), (27, 748775253), (37, 546403563), (81, 249591751), (111, 182134521), (333, 60711507), (701, 28840131), (999, 20237169), (2103, 9613377), (2997, 6745723), (6309, 3204459), (9623, 2100897), (18927, 1068153), (25937, 779463), (28869, 700299), (56781, 356051), (77811, 259821), (86607, 233433)]