20929601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 7271359

約数列:

[1, 7, 11, 17, 59, 77, 119, 187, 271, 413, 649, 1003, 1309, 1897, 2981, 4543, 4607, 7021, 11033, 15989, 20867, 32249, 50677, 77231, 111923, 175879, 271813, 354739, 1231153, 1902691, 2989943, 20929601]

約数ペア:

[(1, 20929601), (7, 2989943), (11, 1902691), (17, 1231153), (59, 354739), (77, 271813), (119, 175879), (187, 111923), (271, 77231), (413, 50677), (649, 32249), (1003, 20867), (1309, 15989), (1897, 11033), (2981, 7021), (4543, 4607)]