20345492805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{143881}}^1$

素因数の和:144757

約数の個数: 32

約数和(自身を含む): 35553817728

約数和(自身を除く): 15208324923

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 857, 2571, 4285, 9427, 12855, 28281, 47135, 141405, 143881, 431643, 719405, 1582691, 2158215, 4748073, 7913455, 23740365, 123306017, 369918051, 616530085, 1356366187, 1849590255, 4069098561, 6781830935, 20345492805]

約数ペア:

[(1, 20345492805), (3, 6781830935), (5, 4069098561), (11, 1849590255), (15, 1356366187), (33, 616530085), (55, 369918051), (165, 123306017), (857, 23740365), (2571, 7913455), (4285, 4748073), (9427, 2158215), (12855, 1582691), (28281, 719405), (47135, 431643), (141405, 143881)]