20936487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 12771033

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1319, 1443, 3957, 5291, 14509, 15873, 17147, 43527, 48803, 51441, 146409, 188617, 536833, 565851, 634439, 1610499, 1903317, 6978829, 20936487]

約数ペア:

[(1, 20936487), (3, 6978829), (11, 1903317), (13, 1610499), (33, 634439), (37, 565851), (39, 536833), (111, 188617), (143, 146409), (407, 51441), (429, 48803), (481, 43527), (1221, 17147), (1319, 15873), (1443, 14509), (3957, 5291)]