20839533

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 33718272

約数和(自身を除く): 12878739

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 1567, 4433, 4701, 13299, 17237, 20371, 48577, 51711, 61113, 145731, 224081, 534347, 631501, 672243, 1603041, 1894503, 6946511, 20839533]

約数ペア:

[(1, 20839533), (3, 6946511), (11, 1894503), (13, 1603041), (31, 672243), (33, 631501), (39, 534347), (93, 224081), (143, 145731), (341, 61113), (403, 51711), (429, 48577), (1023, 20371), (1209, 17237), (1567, 13299), (4433, 4701)]