20652221

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 22439040

約数和(自身を除く): 1786819

約数列:

[1, 19, 61, 103, 173, 1159, 1957, 3287, 6283, 10553, 17819, 119377, 200507, 338561, 1086959, 20652221]

約数ペア:

[(1, 20652221), (19, 1086959), (61, 338561), (103, 200507), (173, 119377), (1159, 17819), (1957, 10553), (3287, 6283)]