20047245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31081}}^1$

素因数の和:31132

約数の個数: 16

約数和(自身を含む): 32822592

約数和(自身を除く): 12775347

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31081, 93243, 155405, 466215, 1336483, 4009449, 6682415, 20047245]

約数ペア:

[(1, 20047245), (3, 6682415), (5, 4009449), (15, 1336483), (43, 466215), (129, 155405), (215, 93243), (645, 31081)]