20187608

素因数分解:

$2^3\times 7^4\times {\mathrm{1051}}^1$

素因数の和:1085

約数の個数: 40

約数和(自身を含む): 44199780

約数和(自身を除く): 24012172

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1051, 1372, 2102, 2401, 2744, 4204, 4802, 7357, 8408, 9604, 14714, 19208, 29428, 51499, 58856, 102998, 205996, 360493, 411992, 720986, 1441972, 2523451, 2883944, 5046902, 10093804, 20187608]

約数ペア:

[(1, 20187608), (2, 10093804), (4, 5046902), (7, 2883944), (8, 2523451), (14, 1441972), (28, 720986), (49, 411992), (56, 360493), (98, 205996), (196, 102998), (343, 58856), (392, 51499), (686, 29428), (1051, 19208), (1372, 14714), (2102, 9604), (2401, 8408), (2744, 7357), (4204, 4802)]