20534956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7451}}^1$

素因数の和:7521

約数の個数: 24

約数和(自身を含む): 39435984

約数和(自身を除く): 18901028

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7451, 14902, 29804, 96863, 193726, 387452, 394903, 789806, 1579612, 5133739, 10267478, 20534956]

約数ペア:

[(1, 20534956), (2, 10267478), (4, 5133739), (13, 1579612), (26, 789806), (52, 394903), (53, 387452), (106, 193726), (212, 96863), (689, 29804), (1378, 14902), (2756, 7451)]