20326432

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 25904480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 824, 881, 1442, 1648, 1762, 2884, 3296, 3524, 5768, 6167, 7048, 11536, 12334, 14096, 23072, 24668, 28192, 49336, 90743, 98672, 181486, 197344, 362972, 635201, 725944, 1270402, 1451888, 2540804, 2903776, 5081608, 10163216, 20326432]

約数ペア:

[(1, 20326432), (2, 10163216), (4, 5081608), (7, 2903776), (8, 2540804), (14, 1451888), (16, 1270402), (28, 725944), (32, 635201), (56, 362972), (103, 197344), (112, 181486), (206, 98672), (224, 90743), (412, 49336), (721, 28192), (824, 24668), (881, 23072), (1442, 14096), (1648, 12334), (1762, 11536), (2884, 7048), (3296, 6167), (3524, 5768)]