20700190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2713}}^1$

素因数の和:2836

約数の個数: 32

約数和(自身を含む): 42989760

約数和(自身を除く): 22289570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2713, 3815, 5426, 7630, 13565, 18991, 27130, 37982, 94955, 189910, 295717, 591434, 1478585, 2070019, 2957170, 4140038, 10350095, 20700190]

約数ペア:

[(1, 20700190), (2, 10350095), (5, 4140038), (7, 2957170), (10, 2070019), (14, 1478585), (35, 591434), (70, 295717), (109, 189910), (218, 94955), (545, 37982), (763, 27130), (1090, 18991), (1526, 13565), (2713, 7630), (3815, 5426)]