20157870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1559}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 28364370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1559, 2155, 2586, 3118, 4310, 4677, 6465, 7795, 9354, 12930, 15590, 23385, 46770, 671929, 1343858, 2015787, 3359645, 4031574, 6719290, 10078935, 20157870]

約数ペア:

[(1, 20157870), (2, 10078935), (3, 6719290), (5, 4031574), (6, 3359645), (10, 2015787), (15, 1343858), (30, 671929), (431, 46770), (862, 23385), (1293, 15590), (1559, 12930), (2155, 9354), (2586, 7795), (3118, 6465), (4310, 4677)]