20819682

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 48936888

約数和(自身を除く): 28117206

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 193, 234, 386, 461, 579, 922, 1158, 1383, 1737, 2509, 2766, 3474, 4149, 5018, 5993, 7527, 8298, 11986, 15054, 17979, 22581, 35958, 45162, 53937, 88973, 107874, 177946, 266919, 533838, 800757, 1156649, 1601514, 2313298, 3469947, 6939894, 10409841, 20819682]

約数ペア:

[(1, 20819682), (2, 10409841), (3, 6939894), (6, 3469947), (9, 2313298), (13, 1601514), (18, 1156649), (26, 800757), (39, 533838), (78, 266919), (117, 177946), (193, 107874), (234, 88973), (386, 53937), (461, 45162), (579, 35958), (922, 22581), (1158, 17979), (1383, 15054), (1737, 11986), (2509, 8298), (2766, 7527), (3474, 5993), (4149, 5018)]