20205909353

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{21323}}^1$

素因数の和:21653

約数の個数: 24

約数和(自身を含む): 23891239008

約数和(自身を除く): 3685329655

約数列:

[1, 7, 49, 83, 233, 581, 1631, 4067, 11417, 19339, 21323, 135373, 149261, 947611, 1044827, 1769809, 4968259, 12388663, 34777813, 86720641, 243444691, 412365497, 2886558479, 20205909353]

約数ペア:

[(1, 20205909353), (7, 2886558479), (49, 412365497), (83, 243444691), (233, 86720641), (581, 34777813), (1631, 12388663), (4067, 4968259), (11417, 1769809), (19339, 1044827), (21323, 947611), (135373, 149261)]