20782688

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8221}}^1$

素因数の和:8310

約数の個数: 24

約数和(自身を含む): 41438880

約数和(自身を除く): 20656192

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8221, 16442, 32884, 65768, 131536, 263072, 649459, 1298918, 2597836, 5195672, 10391344, 20782688]

約数ペア:

[(1, 20782688), (2, 10391344), (4, 5195672), (8, 2597836), (16, 1298918), (32, 649459), (79, 263072), (158, 131536), (316, 65768), (632, 32884), (1264, 16442), (2528, 8221)]