20137478

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1019}}^1$

素因数の和:1303

約数の個数: 16

約数和(自身を含む): 31101840

約数和(自身を除く): 10964362

約数列:

[1, 2, 41, 82, 241, 482, 1019, 2038, 9881, 19762, 41779, 83558, 245579, 491158, 10068739, 20137478]

約数ペア:

[(1, 20137478), (2, 10068739), (41, 491158), (82, 245579), (241, 83558), (482, 41779), (1019, 19762), (2038, 9881)]