20121294004

素因数分解:

$2^2\times 7^1\times {\mathrm{718617643}}^1$

素因数の和:718617654

約数の個数: 12

約数和(自身を含む): 40242588064

約数和(自身を除く): 20121294060

約数列:

[1, 2, 4, 7, 14, 28, 718617643, 1437235286, 2874470572, 5030323501, 10060647002, 20121294004]

約数ペア:

[(1, 20121294004), (2, 10060647002), (4, 5030323501), (7, 2874470572), (14, 1437235286), (28, 718617643)]