20772608

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1600

約数の個数: 36

約数和(自身を含む): 42274008

約数和(自身を除く): 21501400

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1531, 1696, 3062, 3392, 6124, 6784, 12248, 13568, 24496, 48992, 81143, 97984, 162286, 195968, 324572, 391936, 649144, 1298288, 2596576, 5193152, 10386304, 20772608]

約数ペア:

[(1, 20772608), (2, 10386304), (4, 5193152), (8, 2596576), (16, 1298288), (32, 649144), (53, 391936), (64, 324572), (106, 195968), (128, 162286), (212, 97984), (256, 81143), (424, 48992), (848, 24496), (1531, 13568), (1696, 12248), (3062, 6784), (3392, 6124)]