20909650

素因数分解:

$2^1\times 5^2\times {\mathrm{541}}^1\times {\mathrm{773}}^1$

素因数の和:1326

約数の個数: 24

約数和(自身を含む): 39014244

約数和(自身を除く): 18104594

約数列:

[1, 2, 5, 10, 25, 50, 541, 773, 1082, 1546, 2705, 3865, 5410, 7730, 13525, 19325, 27050, 38650, 418193, 836386, 2090965, 4181930, 10454825, 20909650]

約数ペア:

[(1, 20909650), (2, 10454825), (5, 4181930), (10, 2090965), (25, 836386), (50, 418193), (541, 38650), (773, 27050), (1082, 19325), (1546, 13525), (2705, 7730), (3865, 5410)]