20405096

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 39846600

約数和(自身を除く): 19441504

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 281, 313, 562, 626, 1124, 1252, 2248, 2504, 8149, 9077, 16298, 18154, 32596, 36308, 65192, 72616, 87953, 175906, 351812, 703624, 2550637, 5101274, 10202548, 20405096]

約数ペア:

[(1, 20405096), (2, 10202548), (4, 5101274), (8, 2550637), (29, 703624), (58, 351812), (116, 175906), (232, 87953), (281, 72616), (313, 65192), (562, 36308), (626, 32596), (1124, 18154), (1252, 16298), (2248, 9077), (2504, 8149)]