20054690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1789}}^1$

素因数の和:1874

約数の個数: 32

約数和(自身を含む): 38664000

約数和(自身を除く): 18609310

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 1789, 2242, 3578, 5605, 8945, 11210, 17890, 33991, 67982, 105551, 169955, 211102, 339910, 527755, 1055510, 2005469, 4010938, 10027345, 20054690]

約数ペア:

[(1, 20054690), (2, 10027345), (5, 4010938), (10, 2005469), (19, 1055510), (38, 527755), (59, 339910), (95, 211102), (118, 169955), (190, 105551), (295, 67982), (590, 33991), (1121, 17890), (1789, 11210), (2242, 8945), (3578, 5605)]