20267585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16411}}^1$

素因数の和:16448

約数の個数: 16

約数和(自身を含む): 27572160

約数和(自身を除く): 7304575

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16411, 82055, 213343, 311809, 1066715, 1559045, 4053517, 20267585]

約数ペア:

[(1, 20267585), (5, 4053517), (13, 1559045), (19, 1066715), (65, 311809), (95, 213343), (247, 82055), (1235, 16411)]