20973542

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1163}}^1$

素因数の和:1363

約数の個数: 16

約数和(自身を含む): 32182272

約数和(自身を除く): 11208730

約数列:

[1, 2, 71, 127, 142, 254, 1163, 2326, 9017, 18034, 82573, 147701, 165146, 295402, 10486771, 20973542]

約数ペア:

[(1, 20973542), (2, 10486771), (71, 295402), (127, 165146), (142, 147701), (254, 82573), (1163, 18034), (2326, 9017)]