20905222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14947322

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 701, 806, 962, 1147, 1402, 2294, 9113, 14911, 18226, 21731, 25937, 29822, 43462, 51874, 282503, 337181, 565006, 674362, 804047, 1608094, 10452611, 20905222]

約数ペア:

[(1, 20905222), (2, 10452611), (13, 1608094), (26, 804047), (31, 674362), (37, 565006), (62, 337181), (74, 282503), (403, 51874), (481, 43462), (701, 29822), (806, 25937), (962, 21731), (1147, 18226), (1402, 14911), (2294, 9113)]