20969036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11083}}^1$

素因数の和:11141

約数の個数: 24

約数和(自身を含む): 40966464

約数和(自身を除く): 19997428

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11083, 22166, 44332, 121913, 243826, 476569, 487652, 953138, 1906276, 5242259, 10484518, 20969036]

約数ペア:

[(1, 20969036), (2, 10484518), (4, 5242259), (11, 1906276), (22, 953138), (43, 487652), (44, 476569), (86, 243826), (172, 121913), (473, 44332), (946, 22166), (1892, 11083)]