20201596996

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{40709}}^1$

素因数の和:41236

約数の個数: 48

約数和(自身を含む): 41582822400

約数和(自身を除く): 21381225404

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 479, 518, 958, 1036, 1916, 3353, 6706, 13412, 17723, 35446, 40709, 70892, 81418, 124061, 162836, 248122, 284963, 496244, 569926, 1139852, 1506233, 3012466, 6024932, 10543631, 19499611, 21087262, 38999222, 42174524, 77998444, 136497277, 272994554, 545989108, 721485607, 1442971214, 2885942428, 5050399249, 10100798498, 20201596996]

約数ペア:

[(1, 20201596996), (2, 10100798498), (4, 5050399249), (7, 2885942428), (14, 1442971214), (28, 721485607), (37, 545989108), (74, 272994554), (148, 136497277), (259, 77998444), (479, 42174524), (518, 38999222), (958, 21087262), (1036, 19499611), (1916, 10543631), (3353, 6024932), (6706, 3012466), (13412, 1506233), (17723, 1139852), (35446, 569926), (40709, 496244), (70892, 284963), (81418, 248122), (124061, 162836)]