20677216

素因数分解:

$2^5\times 7^2\times {\mathrm{13187}}^1$

素因数の和:13211

約数の個数: 36

約数和(自身を含む): 47358108

約数和(自身を除く): 26680892

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13187, 26374, 52748, 92309, 105496, 184618, 210992, 369236, 421984, 646163, 738472, 1292326, 1476944, 2584652, 2953888, 5169304, 10338608, 20677216]

約数ペア:

[(1, 20677216), (2, 10338608), (4, 5169304), (7, 2953888), (8, 2584652), (14, 1476944), (16, 1292326), (28, 738472), (32, 646163), (49, 421984), (56, 369236), (98, 210992), (112, 184618), (196, 105496), (224, 92309), (392, 52748), (784, 26374), (1568, 13187)]