20157038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{4001}}^1$

素因数の和:4243

約数の個数: 16

約数和(自身を含む): 33136560

約数和(自身を除く): 12979522

約数列:

[1, 2, 11, 22, 229, 458, 2519, 4001, 5038, 8002, 44011, 88022, 916229, 1832458, 10078519, 20157038]

約数ペア:

[(1, 20157038), (2, 10078519), (11, 1832458), (22, 916229), (229, 88022), (458, 44011), (2519, 8002), (4001, 5038)]