20280323908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{390006229}}^1$

素因数の和:390006246

約数の個数: 12

約数和(自身を含む): 38220610540

約数和(自身を除く): 17940286632

約数列:

[1, 2, 4, 13, 26, 52, 390006229, 780012458, 1560024916, 5070080977, 10140161954, 20280323908]

約数ペア:

[(1, 20280323908), (2, 10140161954), (4, 5070080977), (13, 1560024916), (26, 780012458), (52, 390006229)]