20529931

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22588416

約数和(自身を除く): 2058485

約数列:

[1, 17, 37, 127, 257, 629, 2159, 4369, 4699, 9509, 32639, 79883, 161653, 554863, 1207643, 20529931]

約数ペア:

[(1, 20529931), (17, 1207643), (37, 554863), (127, 161653), (257, 79883), (629, 32639), (2159, 9509), (4369, 4699)]