20784820630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2591}}^1\times {\mathrm{114599}}^1$

素因数の和:117204

約数の個数: 32

約数和(自身を含む): 42774220800

約数和(自身を除く): 21989400170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2591, 5182, 12955, 18137, 25910, 36274, 90685, 114599, 181370, 229198, 572995, 802193, 1145990, 1604386, 4010965, 8021930, 296926009, 593852018, 1484630045, 2078482063, 2969260090, 4156964126, 10392410315, 20784820630]

約数ペア:

[(1, 20784820630), (2, 10392410315), (5, 4156964126), (7, 2969260090), (10, 2078482063), (14, 1484630045), (35, 593852018), (70, 296926009), (2591, 8021930), (5182, 4010965), (12955, 1604386), (18137, 1145990), (25910, 802193), (36274, 572995), (90685, 229198), (114599, 181370)]