20027672

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 45999000

約数和(自身を除く): 25971328

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2689, 3724, 5378, 7448, 10756, 18823, 21512, 37646, 51091, 75292, 102182, 131761, 150584, 204364, 263522, 357637, 408728, 527044, 715274, 1054088, 1430548, 2503459, 2861096, 5006918, 10013836, 20027672]

約数ペア:

[(1, 20027672), (2, 10013836), (4, 5006918), (7, 2861096), (8, 2503459), (14, 1430548), (19, 1054088), (28, 715274), (38, 527044), (49, 408728), (56, 357637), (76, 263522), (98, 204364), (133, 150584), (152, 131761), (196, 102182), (266, 75292), (392, 51091), (532, 37646), (931, 21512), (1064, 18823), (1862, 10756), (2689, 7448), (3724, 5378)]