20671222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72277}}^1$

素因数の和:72303

約数の個数: 16

約数和(自身を含む): 36428112

約数和(自身を除く): 15756890

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72277, 144554, 795047, 939601, 1590094, 1879202, 10335611, 20671222]

約数ペア:

[(1, 20671222), (2, 10335611), (11, 1879202), (13, 1590094), (22, 939601), (26, 795047), (143, 144554), (286, 72277)]