20980552

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2729}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 40663350

約数和(自身を除く): 19682798

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 2729, 3844, 5458, 7688, 10916, 21832, 84599, 169198, 338396, 676792, 2622569, 5245138, 10490276, 20980552]

約数ペア:

[(1, 20980552), (2, 10490276), (4, 5245138), (8, 2622569), (31, 676792), (62, 338396), (124, 169198), (248, 84599), (961, 21832), (1922, 10916), (2729, 7688), (3844, 5458)]