20262569

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:153

約数の個数: 18

約数和(自身を含む): 22514814

約数和(自身を除く): 2252245

約数列:

[1, 19, 37, 41, 361, 703, 779, 1369, 1517, 13357, 14801, 26011, 28823, 56129, 494209, 547637, 1066451, 20262569]

約数ペア:

[(1, 20262569), (19, 1066451), (37, 547637), (41, 494209), (361, 56129), (703, 28823), (779, 26011), (1369, 14801), (1517, 13357)]