20197767604

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9881491}}^1$

素因数の和:9881575

約数の個数: 24

約数和(自身を含む): 40948902848

約数和(自身を除く): 20751135244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9881491, 19762982, 39525964, 69170437, 138340874, 276681748, 721348843, 1442697686, 2885395372, 5049441901, 10098883802, 20197767604]

約数ペア:

[(1, 20197767604), (2, 10098883802), (4, 5049441901), (7, 2885395372), (14, 1442697686), (28, 721348843), (73, 276681748), (146, 138340874), (292, 69170437), (511, 39525964), (1022, 19762982), (2044, 9881491)]