20578528

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{4909}}^1$

素因数の和:5050

約数の個数: 24

約数和(自身を含む): 40831560

約数和(自身を除く): 20253032

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 4192, 4909, 9818, 19636, 39272, 78544, 157088, 643079, 1286158, 2572316, 5144632, 10289264, 20578528]

約数ペア:

[(1, 20578528), (2, 10289264), (4, 5144632), (8, 2572316), (16, 1286158), (32, 643079), (131, 157088), (262, 78544), (524, 39272), (1048, 19636), (2096, 9818), (4192, 4909)]