20597820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1627}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 57982848

約数和(自身を除く): 37385028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1627, 2110, 2532, 3165, 3254, 4220, 4881, 6330, 6508, 8135, 9762, 12660, 16270, 19524, 24405, 32540, 48810, 97620, 343297, 686594, 1029891, 1373188, 1716485, 2059782, 3432970, 4119564, 5149455, 6865940, 10298910, 20597820]

約数ペア:

[(1, 20597820), (2, 10298910), (3, 6865940), (4, 5149455), (5, 4119564), (6, 3432970), (10, 2059782), (12, 1716485), (15, 1373188), (20, 1029891), (30, 686594), (60, 343297), (211, 97620), (422, 48810), (633, 32540), (844, 24405), (1055, 19524), (1266, 16270), (1627, 12660), (2110, 9762), (2532, 8135), (3165, 6508), (3254, 6330), (4220, 4881)]