20031908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29633}}^1$

素因数の和:29663

約数の個数: 18

約数和(自身を含む): 37961154

約数和(自身を除く): 17929246

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29633, 59266, 118532, 385229, 770458, 1540916, 5007977, 10015954, 20031908]

約数ペア:

[(1, 20031908), (2, 10015954), (4, 5007977), (13, 1540916), (26, 770458), (52, 385229), (169, 118532), (338, 59266), (676, 29633)]