20848040

素因数分解:

$2^3\times 5^1\times {\mathrm{521201}}^1$

素因数の和:521212

約数の個数: 16

約数和(自身を含む): 46908180

約数和(自身を除く): 26060140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521201, 1042402, 2084804, 2606005, 4169608, 5212010, 10424020, 20848040]

約数ペア:

[(1, 20848040), (2, 10424020), (4, 5212010), (5, 4169608), (8, 2606005), (10, 2084804), (20, 1042402), (40, 521201)]