20672244

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19801}}^1$

素因数の和:19840

約数の個数: 36

約数和(自身を含む): 54059460

約数和(自身を除く): 33387216

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19801, 39602, 59403, 79204, 118806, 178209, 237612, 356418, 574229, 712836, 1148458, 1722687, 2296916, 3445374, 5168061, 6890748, 10336122, 20672244]

約数ペア:

[(1, 20672244), (2, 10336122), (3, 6890748), (4, 5168061), (6, 3445374), (9, 2296916), (12, 1722687), (18, 1148458), (29, 712836), (36, 574229), (58, 356418), (87, 237612), (116, 178209), (174, 118806), (261, 79204), (348, 59403), (522, 39602), (1044, 19801)]