20101609

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 23901696

約数和(自身を除く): 3800087

約数列:

[1, 11, 23, 31, 121, 233, 253, 341, 713, 2563, 2783, 3751, 5359, 7223, 7843, 28193, 58949, 79453, 86273, 166129, 648439, 873983, 1827419, 20101609]

約数ペア:

[(1, 20101609), (11, 1827419), (23, 873983), (31, 648439), (121, 166129), (233, 86273), (253, 79453), (341, 58949), (713, 28193), (2563, 7843), (2783, 7223), (3751, 5359)]