20308967

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4127}}^1$

素因数の和:4190

約数の個数: 16

約数和(自身を含む): 25098240

約数和(自身を除く): 4789273

約数列:

[1, 7, 19, 37, 133, 259, 703, 4127, 4921, 28889, 78413, 152699, 548891, 1068893, 2901281, 20308967]

約数ペア:

[(1, 20308967), (7, 2901281), (19, 1068893), (37, 548891), (133, 152699), (259, 78413), (703, 28889), (4127, 4921)]