20858222

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1759}}^1$

素因数の和:1797

約数の個数: 36

約数和(自身を含む): 40027680

約数和(自身を除く): 19169458

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1694, 1759, 3518, 5929, 11858, 12313, 19349, 24626, 38698, 86191, 135443, 172382, 212839, 270886, 425678, 948101, 1489873, 1896202, 2979746, 10429111, 20858222]

約数ペア:

[(1, 20858222), (2, 10429111), (7, 2979746), (11, 1896202), (14, 1489873), (22, 948101), (49, 425678), (77, 270886), (98, 212839), (121, 172382), (154, 135443), (242, 86191), (539, 38698), (847, 24626), (1078, 19349), (1694, 12313), (1759, 11858), (3518, 5929)]