20697352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2893

約数の個数: 32

約数和(自身を含む): 42396480

約数和(自身を除く): 21699128

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2803, 3692, 5606, 7384, 11212, 22424, 36439, 72878, 145756, 199013, 291512, 398026, 796052, 1592104, 2587169, 5174338, 10348676, 20697352]

約数ペア:

[(1, 20697352), (2, 10348676), (4, 5174338), (8, 2587169), (13, 1592104), (26, 796052), (52, 398026), (71, 291512), (104, 199013), (142, 145756), (284, 72878), (568, 36439), (923, 22424), (1846, 11212), (2803, 7384), (3692, 5606)]