20175066471

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1\times {\mathrm{16937}}^1$

素因数の和:17511

約数の個数: 32

約数和(自身を含む): 31051012608

約数和(自身を除く): 10875946137

約数列:

[1, 3, 7, 21, 131, 393, 433, 917, 1299, 2751, 3031, 9093, 16937, 50811, 56723, 118559, 170169, 355677, 397061, 1191183, 2218747, 6656241, 7333721, 15531229, 22001163, 46593687, 51336047, 154008141, 960717451, 2882152353, 6725022157, 20175066471]

約数ペア:

[(1, 20175066471), (3, 6725022157), (7, 2882152353), (21, 960717451), (131, 154008141), (393, 51336047), (433, 46593687), (917, 22001163), (1299, 15531229), (2751, 7333721), (3031, 6656241), (9093, 2218747), (16937, 1191183), (50811, 397061), (56723, 355677), (118559, 170169)]