20788031

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 23351328

約数和(自身を除く): 2563297

約数列:

[1, 11, 53, 181, 197, 583, 1991, 2167, 9593, 10441, 35657, 105523, 114851, 392227, 1889821, 20788031]

約数ペア:

[(1, 20788031), (11, 1889821), (53, 392227), (181, 114851), (197, 105523), (583, 35657), (1991, 10441), (2167, 9593)]