20013768

素因数分解:

$2^3\times 3^2\times {\mathrm{233}}^1\times {\mathrm{1193}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 54482220

約数和(自身を除く): 34468452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 233, 466, 699, 932, 1193, 1398, 1864, 2097, 2386, 2796, 3579, 4194, 4772, 5592, 7158, 8388, 9544, 10737, 14316, 16776, 21474, 28632, 42948, 85896, 277969, 555938, 833907, 1111876, 1667814, 2223752, 2501721, 3335628, 5003442, 6671256, 10006884, 20013768]

約数ペア:

[(1, 20013768), (2, 10006884), (3, 6671256), (4, 5003442), (6, 3335628), (8, 2501721), (9, 2223752), (12, 1667814), (18, 1111876), (24, 833907), (36, 555938), (72, 277969), (233, 85896), (466, 42948), (699, 28632), (932, 21474), (1193, 16776), (1398, 14316), (1864, 10737), (2097, 9544), (2386, 8388), (2796, 7158), (3579, 5592), (4194, 4772)]