20507704

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1459}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 23642696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1459, 1757, 2008, 2918, 3514, 5836, 7028, 10213, 11672, 14056, 20426, 40852, 81704, 366209, 732418, 1464836, 2563463, 2929672, 5126926, 10253852, 20507704]

約数ペア:

[(1, 20507704), (2, 10253852), (4, 5126926), (7, 2929672), (8, 2563463), (14, 1464836), (28, 732418), (56, 366209), (251, 81704), (502, 40852), (1004, 20426), (1459, 14056), (1757, 11672), (2008, 10213), (2918, 7028), (3514, 5836)]