20654907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75659}}^1$

素因数の和:75682

約数の個数: 16

約数和(自身を含む): 33895680

約数和(自身を除く): 13240773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 75659, 226977, 529613, 983567, 1588839, 2950701, 6884969, 20654907]

約数ペア:

[(1, 20654907), (3, 6884969), (7, 2950701), (13, 1588839), (21, 983567), (39, 529613), (91, 226977), (273, 75659)]