20158719

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56467}}^1$

素因数の和:56494

約数の個数: 16

約数和(自身を含む): 32525568

約数和(自身を除く): 12366849

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56467, 169401, 395269, 959939, 1185807, 2879817, 6719573, 20158719]

約数ペア:

[(1, 20158719), (3, 6719573), (7, 2879817), (17, 1185807), (21, 959939), (51, 395269), (119, 169401), (357, 56467)]