20154351

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13147}}^1$

素因数の和:13230

約数の個数: 16

約数和(自身を含む): 31134464

約数和(自身を除く): 10980113

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13147, 39441, 92029, 276087, 959731, 2879193, 6718117, 20154351]

約数ペア:

[(1, 20154351), (3, 6718117), (7, 2879193), (21, 959731), (73, 276087), (219, 92029), (511, 39441), (1533, 13147)]