20859790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42571}}^1$

素因数の和:42592

約数の個数: 24

約数和(自身を含む): 43678872

約数和(自身を除く): 22819082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42571, 85142, 212855, 297997, 425710, 595994, 1489985, 2085979, 2979970, 4171958, 10429895, 20859790]

約数ペア:

[(1, 20859790), (2, 10429895), (5, 4171958), (7, 2979970), (10, 2085979), (14, 1489985), (35, 595994), (49, 425710), (70, 297997), (98, 212855), (245, 85142), (490, 42571)]