20619620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147283}}^1$

素因数の和:147299

約数の個数: 24

約数和(自身を含む): 49487424

約数和(自身を除く): 28867804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147283, 294566, 589132, 736415, 1030981, 1472830, 2061962, 2945660, 4123924, 5154905, 10309810, 20619620]

約数ペア:

[(1, 20619620), (2, 10309810), (4, 5154905), (5, 4123924), (7, 2945660), (10, 2061962), (14, 1472830), (20, 1030981), (28, 736415), (35, 589132), (70, 294566), (140, 147283)]