20431808

素因数分解:

$2^6\times {\mathrm{131}}^1\times {\mathrm{2437}}^1$

素因数の和:2580

約数の個数: 28

約数和(自身を含む): 40870632

約数和(自身を除く): 20438824

約数列:

[1, 2, 4, 8, 16, 32, 64, 131, 262, 524, 1048, 2096, 2437, 4192, 4874, 8384, 9748, 19496, 38992, 77984, 155968, 319247, 638494, 1276988, 2553976, 5107952, 10215904, 20431808]

約数ペア:

[(1, 20431808), (2, 10215904), (4, 5107952), (8, 2553976), (16, 1276988), (32, 638494), (64, 319247), (131, 155968), (262, 77984), (524, 38992), (1048, 19496), (2096, 9748), (2437, 8384), (4192, 4874)]