20811870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77081}}^1$

素因数の和:77097

約数の個数: 32

約数和(自身を含む): 55499040

約数和(自身を除く): 34687170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77081, 154162, 231243, 385405, 462486, 693729, 770810, 1156215, 1387458, 2081187, 2312430, 3468645, 4162374, 6937290, 10405935, 20811870]

約数ペア:

[(1, 20811870), (2, 10405935), (3, 6937290), (5, 4162374), (6, 3468645), (9, 2312430), (10, 2081187), (15, 1387458), (18, 1156215), (27, 770810), (30, 693729), (45, 462486), (54, 385405), (90, 231243), (135, 154162), (270, 77081)]