20874737

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2410063

約数列:

[1, 13, 43, 107, 349, 559, 1391, 4537, 4601, 15007, 37343, 59813, 195091, 485459, 1605749, 20874737]

約数ペア:

[(1, 20874737), (13, 1605749), (43, 485459), (107, 195091), (349, 59813), (559, 37343), (1391, 15007), (4537, 4601)]