20605690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15493}}^1$

素因数の和:15526

約数の個数: 32

約数和(自身を含む): 44622720

約数和(自身を除く): 24017030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15493, 30986, 77465, 108451, 154930, 216902, 294367, 542255, 588734, 1084510, 1471835, 2060569, 2943670, 4121138, 10302845, 20605690]

約数ペア:

[(1, 20605690), (2, 10302845), (5, 4121138), (7, 2943670), (10, 2060569), (14, 1471835), (19, 1084510), (35, 588734), (38, 542255), (70, 294367), (95, 216902), (133, 154930), (190, 108451), (266, 77465), (665, 30986), (1330, 15493)]