20700470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2617}}^1$

素因数の和:2744

約数の個数: 32

約数和(自身を含む): 42977088

約数和(自身を除く): 22276618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2617, 3955, 5234, 7910, 13085, 18319, 26170, 36638, 91595, 183190, 295721, 591442, 1478605, 2070047, 2957210, 4140094, 10350235, 20700470]

約数ペア:

[(1, 20700470), (2, 10350235), (5, 4140094), (7, 2957210), (10, 2070047), (14, 1478605), (35, 591442), (70, 295721), (113, 183190), (226, 91595), (565, 36638), (791, 26170), (1130, 18319), (1582, 13085), (2617, 7910), (3955, 5234)]