20984941616

素因数分解:

$2^4\times {\mathrm{30389}}^1\times {\mathrm{43159}}^1$

素因数の和:73556

約数の個数: 20

約数和(自身を含む): 40660604400

約数和(自身を除く): 19675662784

約数列:

[1, 2, 4, 8, 16, 30389, 43159, 60778, 86318, 121556, 172636, 243112, 345272, 486224, 690544, 1311558851, 2623117702, 5246235404, 10492470808, 20984941616]

約数ペア:

[(1, 20984941616), (2, 10492470808), (4, 5246235404), (8, 2623117702), (16, 1311558851), (30389, 690544), (43159, 486224), (60778, 345272), (86318, 243112), (121556, 172636)]