20897407489

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2602741}}^1$

素因数の和:2602816

約数の個数: 16

約数和(自身を含む): 25319474176

約数和(自身を除く): 4422066687

約数列:

[1, 7, 31, 37, 217, 259, 1147, 8029, 2602741, 18219187, 80684971, 96301417, 564794797, 674109919, 2985343927, 20897407489]

約数ペア:

[(1, 20897407489), (7, 2985343927), (31, 674109919), (37, 564794797), (217, 96301417), (259, 80684971), (1147, 18219187), (8029, 2602741)]