20419533

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4975

約数の個数: 24

約数和(自身を含む): 32393088

約数和(自身を除く): 11973555

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4943, 14829, 44487, 84031, 133461, 252093, 400383, 756279, 1201149, 2268837, 6806511, 20419533]

約数ペア:

[(1, 20419533), (3, 6806511), (9, 2268837), (17, 1201149), (27, 756279), (51, 400383), (81, 252093), (153, 133461), (243, 84031), (459, 44487), (1377, 14829), (4131, 4943)]