20888921378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{5437}}^1\times {\mathrm{147769}}^1$

素因数の和:153221

約数の個数: 16

約数和(自身を含む): 33750076920

約数和(自身を除く): 12861155542

約数列:

[1, 2, 13, 26, 5437, 10874, 70681, 141362, 147769, 295538, 1920997, 3841994, 803420053, 1606840106, 10444460689, 20888921378]

約数ペア:

[(1, 20888921378), (2, 10444460689), (13, 1606840106), (26, 803420053), (5437, 3841994), (10874, 1920997), (70681, 295538), (141362, 147769)]