20874022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1907}}^1$

素因数の和:2343

約数の個数: 16

約数和(自身を含む): 33817392

約数和(自身を除く): 12943370

約数列:

[1, 2, 13, 26, 421, 842, 1907, 3814, 5473, 10946, 24791, 49582, 802847, 1605694, 10437011, 20874022]

約数ペア:

[(1, 20874022), (2, 10437011), (13, 1605694), (26, 802847), (421, 49582), (842, 24791), (1907, 10946), (3814, 5473)]