20639584

素因数分解:

$2^5\times 7^2\times {\mathrm{13163}}^1$

素因数の和:13187

約数の個数: 36

約数和(自身を含む): 47271924

約数和(自身を除く): 26632340

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13163, 26326, 52652, 92141, 105304, 184282, 210608, 368564, 421216, 644987, 737128, 1289974, 1474256, 2579948, 2948512, 5159896, 10319792, 20639584]

約数ペア:

[(1, 20639584), (2, 10319792), (4, 5159896), (7, 2948512), (8, 2579948), (14, 1474256), (16, 1289974), (28, 737128), (32, 644987), (49, 421216), (56, 368564), (98, 210608), (112, 184282), (196, 105304), (224, 92141), (392, 52652), (784, 26326), (1568, 13163)]