20217353

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 22693440

約数和(自身を除く): 2476087

約数列:

[1, 13, 43, 59, 559, 613, 767, 2537, 7969, 26359, 32981, 36167, 342667, 470171, 1555181, 20217353]

約数ペア:

[(1, 20217353), (13, 1555181), (43, 470171), (59, 342667), (559, 36167), (613, 32981), (767, 26359), (2537, 7969)]