20554548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10639}}^1$

素因数の和:10676

約数の個数: 48

約数和(自身を含む): 57200640

約数和(自身を除く): 36646092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 10639, 21278, 31917, 42556, 63834, 74473, 127668, 148946, 223419, 244697, 297892, 446838, 489394, 734091, 893676, 978788, 1468182, 1712879, 2936364, 3425758, 5138637, 6851516, 10277274, 20554548]

約数ペア:

[(1, 20554548), (2, 10277274), (3, 6851516), (4, 5138637), (6, 3425758), (7, 2936364), (12, 1712879), (14, 1468182), (21, 978788), (23, 893676), (28, 734091), (42, 489394), (46, 446838), (69, 297892), (84, 244697), (92, 223419), (138, 148946), (161, 127668), (276, 74473), (322, 63834), (483, 42556), (644, 31917), (966, 21278), (1932, 10639)]