20499347

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2281}}^1$

素因数の和:2354

約数の個数: 16

約数和(自身を含む): 24097920

約数和(自身を除く): 3598573

約数列:

[1, 11, 19, 43, 209, 473, 817, 2281, 8987, 25091, 43339, 98083, 476729, 1078913, 1863577, 20499347]

約数ペア:

[(1, 20499347), (11, 1863577), (19, 1078913), (43, 476729), (209, 98083), (473, 43339), (817, 25091), (2281, 8987)]