20934172

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 54

約数和(自身を含む): 44483712

約数和(自身を除く): 23549540

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 127, 196, 203, 254, 406, 508, 812, 841, 889, 1421, 1682, 1778, 2842, 3364, 3556, 3683, 5684, 5887, 6223, 7366, 11774, 12446, 14732, 23548, 24892, 25781, 41209, 51562, 82418, 103124, 106807, 164836, 180467, 213614, 360934, 427228, 721868, 747649, 1495298, 2990596, 5233543, 10467086, 20934172]

約数ペア:

[(1, 20934172), (2, 10467086), (4, 5233543), (7, 2990596), (14, 1495298), (28, 747649), (29, 721868), (49, 427228), (58, 360934), (98, 213614), (116, 180467), (127, 164836), (196, 106807), (203, 103124), (254, 82418), (406, 51562), (508, 41209), (812, 25781), (841, 24892), (889, 23548), (1421, 14732), (1682, 12446), (1778, 11774), (2842, 7366), (3364, 6223), (3556, 5887), (3683, 5684)]