20031902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2609}}^1$

素因数の和:2971

約数の個数: 16

約数和(自身を含む): 32886000

約数和(自身を除く): 12854098

約数列:

[1, 2, 11, 22, 349, 698, 2609, 3839, 5218, 7678, 28699, 57398, 910541, 1821082, 10015951, 20031902]

約数ペア:

[(1, 20031902), (2, 10015951), (11, 1821082), (22, 910541), (349, 57398), (698, 28699), (2609, 7678), (3839, 5218)]