20635461

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2707}}^1$

素因数の和:2742

約数の個数: 36

約数和(自身を含む): 37457056

約数和(自身を除く): 16821595

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 2707, 7623, 8121, 18949, 24363, 29777, 56847, 89331, 170541, 208439, 267993, 327547, 625317, 982641, 1875951, 2292829, 2947923, 6878487, 20635461]

約数ペア:

[(1, 20635461), (3, 6878487), (7, 2947923), (9, 2292829), (11, 1875951), (21, 982641), (33, 625317), (63, 327547), (77, 267993), (99, 208439), (121, 170541), (231, 89331), (363, 56847), (693, 29777), (847, 24363), (1089, 18949), (2541, 8121), (2707, 7623)]