20630168

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15259}}^1$

素因数の和:15291

約数の個数: 24

約数和(自身を含む): 41888700

約数和(自身を除く): 21258532

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15259, 30518, 61036, 122072, 198367, 396734, 793468, 1586936, 2578771, 5157542, 10315084, 20630168]

約数ペア:

[(1, 20630168), (2, 10315084), (4, 5157542), (8, 2578771), (13, 1586936), (26, 793468), (52, 396734), (104, 198367), (169, 122072), (338, 61036), (676, 30518), (1352, 15259)]