20736976

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7669}}^1$

素因数の和:7703

約数の個数: 30

約数和(自身を含む): 43511910

約数和(自身を除く): 22774934

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7669, 15338, 30676, 61352, 99697, 122704, 199394, 398788, 797576, 1296061, 1595152, 2592122, 5184244, 10368488, 20736976]

約数ペア:

[(1, 20736976), (2, 10368488), (4, 5184244), (8, 2592122), (13, 1595152), (16, 1296061), (26, 797576), (52, 398788), (104, 199394), (169, 122704), (208, 99697), (338, 61352), (676, 30676), (1352, 15338), (2704, 7669)]