20808329505

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29515361}}^1$

素因数の和:29515416

約数の個数: 16

約数和(自身を含む): 34001697024

約数和(自身を除く): 13193367519

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29515361, 88546083, 147576805, 442730415, 1387221967, 4161665901, 6936109835, 20808329505]

約数ペア:

[(1, 20808329505), (3, 6936109835), (5, 4161665901), (15, 1387221967), (47, 442730415), (141, 147576805), (235, 88546083), (705, 29515361)]