20174792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3229}}^1$

素因数の和:3317

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 21686008

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3229, 6248, 6458, 12916, 25832, 35519, 71038, 142076, 229259, 284152, 458518, 917036, 1834072, 2521849, 5043698, 10087396, 20174792]

約数ペア:

[(1, 20174792), (2, 10087396), (4, 5043698), (8, 2521849), (11, 1834072), (22, 917036), (44, 458518), (71, 284152), (88, 229259), (142, 142076), (284, 71038), (568, 35519), (781, 25832), (1562, 12916), (3124, 6458), (3229, 6248)]