20342972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2027}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 38556336

約数和(自身を除く): 18213364

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2027, 2509, 4054, 5018, 8108, 10036, 26351, 52702, 105404, 391211, 782422, 1564844, 5085743, 10171486, 20342972]

約数ペア:

[(1, 20342972), (2, 10171486), (4, 5085743), (13, 1564844), (26, 782422), (52, 391211), (193, 105404), (386, 52702), (772, 26351), (2027, 10036), (2509, 8108), (4054, 5018)]