20864748

素因数分解:

$2^2\times 3^1\times {\mathrm{277}}^1\times {\mathrm{6277}}^1$

素因数の和:6561

約数の個数: 24

約数和(自身を含む): 48867952

約数和(自身を除く): 28003204

約数列:

[1, 2, 3, 4, 6, 12, 277, 554, 831, 1108, 1662, 3324, 6277, 12554, 18831, 25108, 37662, 75324, 1738729, 3477458, 5216187, 6954916, 10432374, 20864748]

約数ペア:

[(1, 20864748), (2, 10432374), (3, 6954916), (4, 5216187), (6, 3477458), (12, 1738729), (277, 75324), (554, 37662), (831, 25108), (1108, 18831), (1662, 12554), (3324, 6277)]