20647869

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14551}}^1$

素因数の和:14608

約数の個数: 16

約数和(自身を含む): 30733824

約数和(自身を除く): 10085955

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14551, 43653, 160061, 480183, 625693, 1877079, 6882623, 20647869]

約数ペア:

[(1, 20647869), (3, 6882623), (11, 1877079), (33, 625693), (43, 480183), (129, 160061), (473, 43653), (1419, 14551)]