20318012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35521}}^1$

素因数の和:35549

約数の個数: 24

約数和(自身を含む): 41773872

約数和(自身を除く): 21455860

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35521, 71042, 142084, 390731, 461773, 781462, 923546, 1562924, 1847092, 5079503, 10159006, 20318012]

約数ペア:

[(1, 20318012), (2, 10159006), (4, 5079503), (11, 1847092), (13, 1562924), (22, 923546), (26, 781462), (44, 461773), (52, 390731), (143, 142084), (286, 71042), (572, 35521)]