20883615

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 34922496

約数和(自身を除く): 14038881

約数列:

[1, 3, 5, 15, 31, 93, 97, 155, 291, 463, 465, 485, 1389, 1455, 2315, 3007, 6945, 9021, 14353, 15035, 43059, 44911, 45105, 71765, 134733, 215295, 224555, 673665, 1392241, 4176723, 6961205, 20883615]

約数ペア:

[(1, 20883615), (3, 6961205), (5, 4176723), (15, 1392241), (31, 673665), (93, 224555), (97, 215295), (155, 134733), (291, 71765), (463, 45105), (465, 44911), (485, 43059), (1389, 15035), (1455, 14353), (2315, 9021), (3007, 6945)]