20731581808

素因数分解:

$2^4\times 7^1\times {\mathrm{185103409}}^1$

素因数の和:185103424

約数の個数: 20

約数和(自身を含む): 45905645680

約数和(自身を除く): 25174063872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 185103409, 370206818, 740413636, 1295723863, 1480827272, 2591447726, 2961654544, 5182895452, 10365790904, 20731581808]

約数ペア:

[(1, 20731581808), (2, 10365790904), (4, 5182895452), (7, 2961654544), (8, 2591447726), (14, 1480827272), (16, 1295723863), (28, 740413636), (56, 370206818), (112, 185103409)]