20683719

素因数分解:

$3^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{577}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 34263840

約数和(自身を除く): 13580121

約数列:

[1, 3, 7, 9, 21, 63, 569, 577, 1707, 1731, 3983, 4039, 5121, 5193, 11949, 12117, 35847, 36351, 328313, 984939, 2298191, 2954817, 6894573, 20683719]

約数ペア:

[(1, 20683719), (3, 6894573), (7, 2954817), (9, 2298191), (21, 984939), (63, 328313), (569, 36351), (577, 35847), (1707, 12117), (1731, 11949), (3983, 5193), (4039, 5121)]