20657310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1973}}^1$

素因数の和:2332

約数の個数: 32

約数和(自身を含む): 49744800

約数和(自身を除く): 29087490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 1973, 2094, 3490, 3946, 5235, 5919, 9865, 10470, 11838, 19730, 29595, 59190, 688577, 1377154, 2065731, 3442885, 4131462, 6885770, 10328655, 20657310]

約数ペア:

[(1, 20657310), (2, 10328655), (3, 6885770), (5, 4131462), (6, 3442885), (10, 2065731), (15, 1377154), (30, 688577), (349, 59190), (698, 29595), (1047, 19730), (1745, 11838), (1973, 10470), (2094, 9865), (3490, 5919), (3946, 5235)]