20695389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 34137600

約数和(自身を除く): 13442211

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2539, 2717, 7617, 8151, 27929, 33007, 48241, 83787, 99021, 144723, 363077, 530651, 627133, 1089231, 1591953, 1881399, 6898463, 20695389]

約数ペア:

[(1, 20695389), (3, 6898463), (11, 1881399), (13, 1591953), (19, 1089231), (33, 627133), (39, 530651), (57, 363077), (143, 144723), (209, 99021), (247, 83787), (429, 48241), (627, 33007), (741, 27929), (2539, 8151), (2717, 7617)]