20913756

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3163}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 53155200

約数和(自身を除く): 32241444

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 551, 1102, 1653, 2204, 3163, 3306, 6326, 6612, 9489, 12652, 18978, 37956, 60097, 91727, 120194, 180291, 183454, 240388, 275181, 360582, 366908, 550362, 721164, 1100724, 1742813, 3485626, 5228439, 6971252, 10456878, 20913756]

約数ペア:

[(1, 20913756), (2, 10456878), (3, 6971252), (4, 5228439), (6, 3485626), (12, 1742813), (19, 1100724), (29, 721164), (38, 550362), (57, 366908), (58, 360582), (76, 275181), (87, 240388), (114, 183454), (116, 180291), (174, 120194), (228, 91727), (348, 60097), (551, 37956), (1102, 18978), (1653, 12652), (2204, 9489), (3163, 6612), (3306, 6326)]