20085513

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12107}}^1$

素因数の和:12196

約数の個数: 16

約数和(自身を含む): 30996480

約数和(自身を除く): 10910967

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12107, 36321, 84749, 254247, 956453, 2869359, 6695171, 20085513]

約数ペア:

[(1, 20085513), (3, 6695171), (7, 2869359), (21, 956453), (79, 254247), (237, 84749), (553, 36321), (1659, 12107)]