20197826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7229}}^1$

素因数の和:7369

約数の個数: 16

約数和(自身を含む): 33315840

約数和(自身を除く): 13118014

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7229, 14458, 79519, 159038, 918083, 1836166, 10098913, 20197826]

約数ペア:

[(1, 20197826), (2, 10098913), (11, 1836166), (22, 918083), (127, 159038), (254, 79519), (1397, 14458), (2794, 7229)]