20107170020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{193301}}^1$

素因数の和:194060

約数の個数: 48

約数和(自身を含む): 48322407168

約数和(自身を除く): 28215237148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 743, 1486, 2972, 3715, 5201, 7430, 10402, 14860, 20804, 26005, 52010, 104020, 193301, 386602, 773204, 966505, 1353107, 1933010, 2706214, 3866020, 5412428, 6765535, 13531070, 27062140, 143622643, 287245286, 574490572, 718113215, 1005358501, 1436226430, 2010717002, 2872452860, 4021434004, 5026792505, 10053585010, 20107170020]

約数ペア:

[(1, 20107170020), (2, 10053585010), (4, 5026792505), (5, 4021434004), (7, 2872452860), (10, 2010717002), (14, 1436226430), (20, 1005358501), (28, 718113215), (35, 574490572), (70, 287245286), (140, 143622643), (743, 27062140), (1486, 13531070), (2972, 6765535), (3715, 5412428), (5201, 3866020), (7430, 2706214), (10402, 1933010), (14860, 1353107), (20804, 966505), (26005, 773204), (52010, 386602), (104020, 193301)]