20176774328

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81357961}}^1$

素因数の和:81357998

約数の個数: 16

約数和(自身を含む): 39051821760

約数和(自身を除く): 18875047432

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81357961, 162715922, 325431844, 650863688, 2522096791, 5044193582, 10088387164, 20176774328]

約数ペア:

[(1, 20176774328), (2, 10088387164), (4, 5044193582), (8, 2522096791), (31, 650863688), (62, 325431844), (124, 162715922), (248, 81357961)]