20320132

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22580348

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 227, 278, 322, 454, 556, 644, 908, 973, 1589, 1946, 3178, 3197, 3892, 5221, 6356, 6394, 10442, 12788, 20884, 22379, 31553, 36547, 44758, 63106, 73094, 89516, 126212, 146188, 220871, 441742, 725719, 883484, 1451438, 2902876, 5080033, 10160066, 20320132]

約数ペア:

[(1, 20320132), (2, 10160066), (4, 5080033), (7, 2902876), (14, 1451438), (23, 883484), (28, 725719), (46, 441742), (92, 220871), (139, 146188), (161, 126212), (227, 89516), (278, 73094), (322, 63106), (454, 44758), (556, 36547), (644, 31553), (908, 22379), (973, 20884), (1589, 12788), (1946, 10442), (3178, 6394), (3197, 6356), (3892, 5221)]