20886212

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 37340352

約数和(自身を除く): 16454140

約数列:

[1, 2, 4, 71, 142, 251, 284, 293, 502, 586, 1004, 1172, 17821, 20803, 35642, 41606, 71284, 73543, 83212, 147086, 294172, 5221553, 10443106, 20886212]

約数ペア:

[(1, 20886212), (2, 10443106), (4, 5221553), (71, 294172), (142, 147086), (251, 83212), (284, 73543), (293, 71284), (502, 41606), (586, 35642), (1004, 20803), (1172, 17821)]