20923917

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13649}}^1$

素因数の和:13732

約数の個数: 16

約数和(自身を含む): 32323200

約数和(自身を除く): 11399283

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13649, 40947, 95543, 286629, 996377, 2989131, 6974639, 20923917]

約数ペア:

[(1, 20923917), (3, 6974639), (7, 2989131), (21, 996377), (73, 286629), (219, 95543), (511, 40947), (1533, 13649)]