20986398

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{22861}}^1$

素因数の和:22889

約数の個数: 32

約数和(自身を含む): 49381920

約数和(自身を除く): 28395522

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 22861, 45722, 68583, 137166, 205749, 388637, 411498, 617247, 777274, 1165911, 1234494, 2331822, 3497733, 6995466, 10493199, 20986398]

約数ペア:

[(1, 20986398), (2, 10493199), (3, 6995466), (6, 3497733), (9, 2331822), (17, 1234494), (18, 1165911), (27, 777274), (34, 617247), (51, 411498), (54, 388637), (102, 205749), (153, 137166), (306, 68583), (459, 45722), (918, 22861)]