20176871

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 24310272

約数和(自身を除く): 4133401

約数列:

[1, 11, 13, 101, 121, 127, 143, 1111, 1313, 1397, 1573, 1651, 12221, 12827, 14443, 15367, 18161, 141097, 158873, 166751, 199771, 1552067, 1834261, 20176871]

約数ペア:

[(1, 20176871), (11, 1834261), (13, 1552067), (101, 199771), (121, 166751), (127, 158873), (143, 141097), (1111, 18161), (1313, 15367), (1397, 14443), (1573, 12827), (1651, 12221)]