20880018

素因数分解:

$2^1\times 3^6\times {\mathrm{14321}}^1$

素因数の和:14341

約数の個数: 28

約数和(自身を含む): 46961838

約数和(自身を除く): 26081820

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 14321, 28642, 42963, 85926, 128889, 257778, 386667, 773334, 1160001, 2320002, 3480003, 6960006, 10440009, 20880018]

約数ペア:

[(1, 20880018), (2, 10440009), (3, 6960006), (6, 3480003), (9, 2320002), (18, 1160001), (27, 773334), (54, 386667), (81, 257778), (162, 128889), (243, 85926), (486, 42963), (729, 28642), (1458, 14321)]