20398672

素因数分解:

$2^4\times 7^1\times {\mathrm{182131}}^1$

素因数の和:182146

約数の個数: 20

約数和(自身を含む): 45168736

約数和(自身を除く): 24770064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182131, 364262, 728524, 1274917, 1457048, 2549834, 2914096, 5099668, 10199336, 20398672]

約数ペア:

[(1, 20398672), (2, 10199336), (4, 5099668), (7, 2914096), (8, 2549834), (14, 1457048), (16, 1274917), (28, 728524), (56, 364262), (112, 182131)]