20168735

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 24909120

約数和(自身を除く): 4740385

約数列:

[1, 5, 61, 89, 305, 445, 743, 3715, 5429, 27145, 45323, 66127, 226615, 330635, 4033747, 20168735]

約数ペア:

[(1, 20168735), (5, 4033747), (61, 330635), (89, 226615), (305, 66127), (445, 45323), (743, 27145), (3715, 5429)]