20125279024

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{137573}}^1$

素因数の和:137845

約数の個数: 40

約数和(自身を含む): 40123181952

約数和(自身を除く): 19997902928

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 223, 328, 446, 656, 892, 1784, 3568, 9143, 18286, 36572, 73144, 137573, 146288, 275146, 550292, 1100584, 2201168, 5640493, 11280986, 22561972, 30678779, 45123944, 61357558, 90247888, 122715116, 245430232, 490860464, 1257829939, 2515659878, 5031319756, 10062639512, 20125279024]

約数ペア:

[(1, 20125279024), (2, 10062639512), (4, 5031319756), (8, 2515659878), (16, 1257829939), (41, 490860464), (82, 245430232), (164, 122715116), (223, 90247888), (328, 61357558), (446, 45123944), (656, 30678779), (892, 22561972), (1784, 11280986), (3568, 5640493), (9143, 2201168), (18286, 1100584), (36572, 550292), (73144, 275146), (137573, 146288)]