20454916

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 37142784

約数和(自身を除く): 16687868

約数列:

[1, 2, 4, 31, 62, 124, 293, 563, 586, 1126, 1172, 2252, 9083, 17453, 18166, 34906, 36332, 69812, 164959, 329918, 659836, 5113729, 10227458, 20454916]

約数ペア:

[(1, 20454916), (2, 10227458), (4, 5113729), (31, 659836), (62, 329918), (124, 164959), (293, 69812), (563, 36332), (586, 34906), (1126, 18166), (1172, 17453), (2252, 9083)]