20672988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12953}}^1$

素因数の和:12986

約数の個数: 48

約数和(自身を含む): 58033920

約数和(自身を除く): 37360932

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, 12953, 25906, 38859, 51812, 77718, 90671, 155436, 181342, 246107, 272013, 362684, 492214, 544026, 738321, 984428, 1088052, 1476642, 1722749, 2953284, 3445498, 5168247, 6890996, 10336494, 20672988]

約数ペア:

[(1, 20672988), (2, 10336494), (3, 6890996), (4, 5168247), (6, 3445498), (7, 2953284), (12, 1722749), (14, 1476642), (19, 1088052), (21, 984428), (28, 738321), (38, 544026), (42, 492214), (57, 362684), (76, 272013), (84, 246107), (114, 181342), (133, 155436), (228, 90671), (266, 77718), (399, 51812), (532, 38859), (798, 25906), (1596, 12953)]