20828978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1697}}^1$

素因数の和:1754

約数の個数: 24

約数和(自身を含む): 34934652

約数和(自身を除く): 14105674

約数列:

[1, 2, 17, 19, 34, 38, 323, 361, 646, 722, 1697, 3394, 6137, 12274, 28849, 32243, 57698, 64486, 548131, 612617, 1096262, 1225234, 10414489, 20828978]

約数ペア:

[(1, 20828978), (2, 10414489), (17, 1225234), (19, 1096262), (34, 612617), (38, 548131), (323, 64486), (361, 57698), (646, 32243), (722, 28849), (1697, 12274), (3394, 6137)]