20820204

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{3343}}^1$

素因数の和:3526

約数の個数: 36

約数和(自身を含む): 52948896

約数和(自身を除く): 32128692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1557, 2076, 3114, 3343, 6228, 6686, 10029, 13372, 20058, 30087, 40116, 60174, 120348, 578339, 1156678, 1735017, 2313356, 3470034, 5205051, 6940068, 10410102, 20820204]

約数ペア:

[(1, 20820204), (2, 10410102), (3, 6940068), (4, 5205051), (6, 3470034), (9, 2313356), (12, 1735017), (18, 1156678), (36, 578339), (173, 120348), (346, 60174), (519, 40116), (692, 30087), (1038, 20058), (1557, 13372), (2076, 10029), (3114, 6686), (3343, 6228)]