20512385118

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4205081}}^1$

素因数の和:4205360

約数の個数: 24

約数和(自身を含む): 44607509856

約数和(自身を除く): 24095124738

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4878, 4205081, 8410162, 12615243, 25230486, 37845729, 75691458, 1139576951, 2279153902, 3418730853, 6837461706, 10256192559, 20512385118]

約数ペア:

[(1, 20512385118), (2, 10256192559), (3, 6837461706), (6, 3418730853), (9, 2279153902), (18, 1139576951), (271, 75691458), (542, 37845729), (813, 25230486), (1626, 12615243), (2439, 8410162), (4878, 4205081)]