20856795

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23567}}^1$

素因数の和:23634

約数の個数: 16

約数和(自身を含む): 33937920

約数和(自身を除く): 13081125

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 23567, 70701, 117835, 353505, 1390453, 4171359, 6952265, 20856795]

約数ペア:

[(1, 20856795), (3, 6952265), (5, 4171359), (15, 1390453), (59, 353505), (177, 117835), (295, 70701), (885, 23567)]