20553228

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19687}}^1$

素因数の和:19726

約数の個数: 36

約数和(自身を含む): 53748240

約数和(自身を除く): 33195012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19687, 39374, 59061, 78748, 118122, 177183, 236244, 354366, 570923, 708732, 1141846, 1712769, 2283692, 3425538, 5138307, 6851076, 10276614, 20553228]

約数ペア:

[(1, 20553228), (2, 10276614), (3, 6851076), (4, 5138307), (6, 3425538), (9, 2283692), (12, 1712769), (18, 1141846), (29, 708732), (36, 570923), (58, 354366), (87, 236244), (116, 177183), (174, 118122), (261, 78748), (348, 59061), (522, 39374), (1044, 19687)]