20403992

素因数分解:

$2^3\times 7^2\times {\mathrm{52051}}^1$

素因数の和:52071

約数の個数: 24

約数和(自身を含む): 44504460

約数和(自身を除く): 24100468

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52051, 104102, 208204, 364357, 416408, 728714, 1457428, 2550499, 2914856, 5100998, 10201996, 20403992]

約数ペア:

[(1, 20403992), (2, 10201996), (4, 5100998), (7, 2914856), (8, 2550499), (14, 1457428), (28, 728714), (49, 416408), (56, 364357), (98, 208204), (196, 104102), (392, 52051)]