20655657

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5639}}^1$

素因数の和:5693

約数の個数: 24

約数和(自身を含む): 33433920

約数和(自身を除く): 12778263

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5639, 16917, 50751, 62029, 186087, 208643, 558261, 625929, 1877787, 2295073, 6885219, 20655657]

約数ペア:

[(1, 20655657), (3, 6885219), (9, 2295073), (11, 1877787), (33, 625929), (37, 558261), (99, 208643), (111, 186087), (333, 62029), (407, 50751), (1221, 16917), (3663, 5639)]