20804972433

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3623}}^1\times {\mathrm{8821}}^1$

素因数の和:12485

約数の個数: 32

約数和(自身を含む): 32738230272

約数和(自身を除く): 11933257839

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3623, 8821, 10869, 25361, 26463, 61747, 76083, 112313, 185241, 273451, 336939, 786191, 820353, 1914157, 2358573, 5742471, 31958483, 95875449, 223709381, 671128143, 990712973, 2972138919, 6934990811, 20804972433]

約数ペア:

[(1, 20804972433), (3, 6934990811), (7, 2972138919), (21, 990712973), (31, 671128143), (93, 223709381), (217, 95875449), (651, 31958483), (3623, 5742471), (8821, 2358573), (10869, 1914157), (25361, 820353), (26463, 786191), (61747, 336939), (76083, 273451), (112313, 185241)]