20194904

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 39841200

約数和(自身を除く): 19646296

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1427, 1769, 2854, 3538, 5708, 7076, 11416, 14152, 41383, 82766, 87047, 165532, 174094, 331064, 348188, 696376, 2524363, 5048726, 10097452, 20194904]

約数ペア:

[(1, 20194904), (2, 10097452), (4, 5048726), (8, 2524363), (29, 696376), (58, 348188), (61, 331064), (116, 174094), (122, 165532), (232, 87047), (244, 82766), (488, 41383), (1427, 14152), (1769, 11416), (2854, 7076), (3538, 5708)]