20157489941

素因数分解:

${\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1\times {\mathrm{5153}}^1$

素因数の和:5932

約数の個数: 16

約数和(自身を含む): 20935300608

約数和(自身を除く): 777810667

約数列:

[1, 31, 257, 491, 5153, 7967, 15221, 126187, 159743, 1324321, 2530123, 3911797, 41053951, 78433813, 650241611, 20157489941]

約数ペア:

[(1, 20157489941), (31, 650241611), (257, 78433813), (491, 41053951), (5153, 3911797), (7967, 2530123), (15221, 1324321), (126187, 159743)]