20737144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3719}}^1$

素因数の和:3783

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 21447656

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3719, 5576, 7438, 14876, 29752, 63223, 126446, 152479, 252892, 304958, 505784, 609916, 1219832, 2592143, 5184286, 10368572, 20737144]

約数ペア:

[(1, 20737144), (2, 10368572), (4, 5184286), (8, 2592143), (17, 1219832), (34, 609916), (41, 505784), (68, 304958), (82, 252892), (136, 152479), (164, 126446), (328, 63223), (697, 29752), (1394, 14876), (2788, 7438), (3719, 5576)]