20974893

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{811}}^1$

素因数の和:1084

約数の個数: 16

約数和(自身を含む): 28881216

約数和(自身を除く): 7906323

約数列:

[1, 3, 37, 111, 233, 699, 811, 2433, 8621, 25863, 30007, 90021, 188963, 566889, 6991631, 20974893]

約数ペア:

[(1, 20974893), (3, 6991631), (37, 566889), (111, 188963), (233, 90021), (699, 30007), (811, 25863), (2433, 8621)]