20402408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196177}}^1$

素因数の和:196196

約数の個数: 16

約数和(自身を含む): 41197380

約数和(自身を除く): 20794972

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196177, 392354, 784708, 1569416, 2550301, 5100602, 10201204, 20402408]

約数ペア:

[(1, 20402408), (2, 10201204), (4, 5100602), (8, 2550301), (13, 1569416), (26, 784708), (52, 392354), (104, 196177)]