20185676

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 36

約数和(自身を含む): 42629328

約数和(自身を除く): 22443652

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 1997, 2527, 3994, 5054, 7988, 10108, 13979, 27958, 37943, 55916, 75886, 151772, 265601, 531202, 720917, 1062404, 1441834, 2883668, 5046419, 10092838, 20185676]

約数ペア:

[(1, 20185676), (2, 10092838), (4, 5046419), (7, 2883668), (14, 1441834), (19, 1062404), (28, 720917), (38, 531202), (76, 265601), (133, 151772), (266, 75886), (361, 55916), (532, 37943), (722, 27958), (1444, 13979), (1997, 10108), (2527, 7988), (3994, 5054)]