20398476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12781}}^1$

素因数の和:12814

約数の個数: 48

約数和(自身を含む): 57263360

約数和(自身を除く): 36864884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 12781, 25562, 38343, 51124, 76686, 89467, 153372, 178934, 242839, 268401, 357868, 485678, 536802, 728517, 971356, 1073604, 1457034, 1699873, 2914068, 3399746, 5099619, 6799492, 10199238, 20398476]

約数ペア:

[(1, 20398476), (2, 10199238), (3, 6799492), (4, 5099619), (6, 3399746), (7, 2914068), (12, 1699873), (14, 1457034), (19, 1073604), (21, 971356), (28, 728517), (38, 536802), (42, 485678), (57, 357868), (76, 268401), (84, 242839), (114, 178934), (133, 153372), (228, 89467), (266, 76686), (399, 51124), (532, 38343), (798, 25562), (1596, 12781)]