20201355

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26407}}^1$

素因数の和:26435

約数の個数: 24

約数和(自身を含む): 37076832

約数和(自身を除く): 16875477

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26407, 79221, 132035, 237663, 396105, 448919, 1188315, 1346757, 2244595, 4040271, 6733785, 20201355]

約数ペア:

[(1, 20201355), (3, 6733785), (5, 4040271), (9, 2244595), (15, 1346757), (17, 1188315), (45, 448919), (51, 396105), (85, 237663), (153, 132035), (255, 79221), (765, 26407)]