20538690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{859}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 49412160

約数和(自身を除く): 28873470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 797, 859, 1594, 1718, 2391, 2577, 3985, 4295, 4782, 5154, 7970, 8590, 11955, 12885, 23910, 25770, 684623, 1369246, 2053869, 3423115, 4107738, 6846230, 10269345, 20538690]

約数ペア:

[(1, 20538690), (2, 10269345), (3, 6846230), (5, 4107738), (6, 3423115), (10, 2053869), (15, 1369246), (30, 684623), (797, 25770), (859, 23910), (1594, 12885), (1718, 11955), (2391, 8590), (2577, 7970), (3985, 5154), (4295, 4782)]