20611920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12269}}^1$

素因数の和:12292

約数の個数: 80

約数和(自身を含む): 73031040

約数和(自身を除く): 52419120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12269, 24538, 36807, 49076, 61345, 73614, 85883, 98152, 122690, 147228, 171766, 184035, 196304, 245380, 257649, 294456, 343532, 368070, 429415, 490760, 515298, 588912, 687064, 736140, 858830, 981520, 1030596, 1288245, 1374128, 1472280, 1717660, 2061192, 2576490, 2944560, 3435320, 4122384, 5152980, 6870640, 10305960, 20611920]

約数ペア:

[(1, 20611920), (2, 10305960), (3, 6870640), (4, 5152980), (5, 4122384), (6, 3435320), (7, 2944560), (8, 2576490), (10, 2061192), (12, 1717660), (14, 1472280), (15, 1374128), (16, 1288245), (20, 1030596), (21, 981520), (24, 858830), (28, 736140), (30, 687064), (35, 588912), (40, 515298), (42, 490760), (48, 429415), (56, 368070), (60, 343532), (70, 294456), (80, 257649), (84, 245380), (105, 196304), (112, 184035), (120, 171766), (140, 147228), (168, 122690), (210, 98152), (240, 85883), (280, 73614), (336, 61345), (420, 49076), (560, 36807), (840, 24538), (1680, 12269)]