20178038770

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1\times {\mathrm{79201}}^1$

素因数の和:79630

約数の個数: 32

約数和(自身を含む): 36923972400

約数和(自身を除く): 16745933630

約数列:

[1, 2, 5, 10, 73, 146, 349, 365, 698, 730, 1745, 3490, 25477, 50954, 79201, 127385, 158402, 254770, 396005, 792010, 5781673, 11563346, 27641149, 28908365, 55282298, 57816730, 138205745, 276411490, 2017803877, 4035607754, 10089019385, 20178038770]

約数ペア:

[(1, 20178038770), (2, 10089019385), (5, 4035607754), (10, 2017803877), (73, 276411490), (146, 138205745), (349, 57816730), (365, 55282298), (698, 28908365), (730, 27641149), (1745, 11563346), (3490, 5781673), (25477, 792010), (50954, 396005), (79201, 254770), (127385, 158402)]