20778703

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1229}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 23911200

約数和(自身を除く): 3132497

約数列:

[1, 11, 29, 53, 319, 583, 1229, 1537, 13519, 16907, 35641, 65137, 392051, 716507, 1888973, 20778703]

約数ペア:

[(1, 20778703), (11, 1888973), (29, 716507), (53, 392051), (319, 65137), (583, 35641), (1229, 16907), (1537, 13519)]