20005901193

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{30319}}^1$

素因数の和:30549

約数の個数: 32

約数和(自身を含む): 28431912960

約数和(自身を除く): 8426011767

約数列:

[1, 3, 23, 69, 73, 131, 219, 393, 1679, 3013, 5037, 9039, 9563, 28689, 30319, 90957, 219949, 659847, 697337, 2092011, 2213287, 3971789, 6639861, 11915367, 50905601, 91351147, 152716803, 274053441, 289940597, 869821791, 6668633731, 20005901193]

約数ペア:

[(1, 20005901193), (3, 6668633731), (23, 869821791), (69, 289940597), (73, 274053441), (131, 152716803), (219, 91351147), (393, 50905601), (1679, 11915367), (3013, 6639861), (5037, 3971789), (9039, 2213287), (9563, 2092011), (28689, 697337), (30319, 659847), (90957, 219949)]