20804915936

素因数分解:

$2^5\times 7^1\times {\mathrm{857}}^1\times {\mathrm{108377}}^1$

素因数の和:109251

約数の個数: 48

約数和(自身を含む): 46866115296

約数和(自身を除く): 26061199360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 857, 1714, 3428, 5999, 6856, 11998, 13712, 23996, 27424, 47992, 95984, 108377, 191968, 216754, 433508, 758639, 867016, 1517278, 1734032, 3034556, 3468064, 6069112, 12138224, 24276448, 92879089, 185758178, 371516356, 650153623, 743032712, 1300307246, 1486065424, 2600614492, 2972130848, 5201228984, 10402457968, 20804915936]

約数ペア:

[(1, 20804915936), (2, 10402457968), (4, 5201228984), (7, 2972130848), (8, 2600614492), (14, 1486065424), (16, 1300307246), (28, 743032712), (32, 650153623), (56, 371516356), (112, 185758178), (224, 92879089), (857, 24276448), (1714, 12138224), (3428, 6069112), (5999, 3468064), (6856, 3034556), (11998, 1734032), (13712, 1517278), (23996, 867016), (27424, 758639), (47992, 433508), (95984, 216754), (108377, 191968)]