20478282

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 45798816

約数和(自身を除く): 25320534

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 121, 134, 201, 242, 363, 402, 421, 726, 737, 842, 1263, 1474, 2211, 2526, 4422, 4631, 8107, 9262, 13893, 16214, 24321, 27786, 28207, 48642, 50941, 56414, 84621, 101882, 152823, 169242, 305646, 310277, 620554, 930831, 1861662, 3413047, 6826094, 10239141, 20478282]

約数ペア:

[(1, 20478282), (2, 10239141), (3, 6826094), (6, 3413047), (11, 1861662), (22, 930831), (33, 620554), (66, 310277), (67, 305646), (121, 169242), (134, 152823), (201, 101882), (242, 84621), (363, 56414), (402, 50941), (421, 48642), (726, 28207), (737, 27786), (842, 24321), (1263, 16214), (1474, 13893), (2211, 9262), (2526, 8107), (4422, 4631)]