20383216

素因数分解:

$2^4\times 7^2\times {\mathrm{25999}}^1$

素因数の和:26021

約数の個数: 30

約数和(自身を含む): 45942000

約数和(自身を除く): 25558784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25999, 51998, 103996, 181993, 207992, 363986, 415984, 727972, 1273951, 1455944, 2547902, 2911888, 5095804, 10191608, 20383216]

約数ペア:

[(1, 20383216), (2, 10191608), (4, 5095804), (7, 2911888), (8, 2547902), (14, 1455944), (16, 1273951), (28, 727972), (49, 415984), (56, 363986), (98, 207992), (112, 181993), (196, 103996), (392, 51998), (784, 25999)]