20958156901

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{578587}}^1$

素因数の和:578724

約数の個数: 16

約数和(自身を含む): 23745251520

約数和(自身を除く): 2787094619

約数列:

[1, 11, 37, 89, 407, 979, 3293, 36223, 578587, 6364457, 21407719, 51494243, 235484909, 566436673, 1905286991, 20958156901]

約数ペア:

[(1, 20958156901), (11, 1905286991), (37, 566436673), (89, 235484909), (407, 51494243), (979, 21407719), (3293, 6364457), (36223, 578587)]