20349765

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8867}}^1$

素因数の和:8898

約数の個数: 32

約数和(自身を含む): 38309760

約数和(自身を除く): 17959995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8867, 26601, 44335, 79803, 133005, 150739, 239409, 399015, 452217, 753695, 1197045, 1356651, 2261085, 4069953, 6783255, 20349765]

約数ペア:

[(1, 20349765), (3, 6783255), (5, 4069953), (9, 2261085), (15, 1356651), (17, 1197045), (27, 753695), (45, 452217), (51, 399015), (85, 239409), (135, 150739), (153, 133005), (255, 79803), (459, 44335), (765, 26601), (2295, 8867)]