20911324

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1709}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 25053476

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1709, 1748, 3059, 3418, 6118, 6836, 11963, 12236, 23926, 32471, 39307, 47852, 64942, 78614, 129884, 157228, 227297, 275149, 454594, 550298, 746833, 909188, 1100596, 1493666, 2987332, 5227831, 10455662, 20911324]

約数ペア:

[(1, 20911324), (2, 10455662), (4, 5227831), (7, 2987332), (14, 1493666), (19, 1100596), (23, 909188), (28, 746833), (38, 550298), (46, 454594), (76, 275149), (92, 227297), (133, 157228), (161, 129884), (266, 78614), (322, 64942), (437, 47852), (532, 39307), (644, 32471), (874, 23926), (1709, 12236), (1748, 11963), (3059, 6836), (3418, 6118)]