20560851

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12907}}^1$

素因数の和:12975

約数の個数: 16

約数和(自身を含む): 30979200

約数和(自身を除く): 10418349

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12907, 38721, 116163, 348489, 761513, 2284539, 6853617, 20560851]

約数ペア:

[(1, 20560851), (3, 6853617), (9, 2284539), (27, 761513), (59, 348489), (177, 116163), (531, 38721), (1593, 12907)]