20291761

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4159}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4867919

約数列:

[1, 7, 17, 41, 119, 287, 697, 4159, 4879, 29113, 70703, 170519, 494921, 1193633, 2898823, 20291761]

約数ペア:

[(1, 20291761), (7, 2898823), (17, 1193633), (41, 494921), (119, 170519), (287, 70703), (697, 29113), (4159, 4879)]