20111564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5507}}^1$

素因数の和:5605

約数の個数: 24

約数和(自身を含む): 38864448

約数和(自身を除く): 18752884

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5507, 11014, 22028, 60577, 121154, 242308, 457081, 914162, 1828324, 5027891, 10055782, 20111564]

約数ペア:

[(1, 20111564), (2, 10055782), (4, 5027891), (11, 1828324), (22, 914162), (44, 457081), (83, 242308), (166, 121154), (332, 60577), (913, 22028), (1826, 11014), (3652, 5507)]