20185239

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 30862080

約数和(自身を除く): 10676841

約数列:

[1, 3, 17, 19, 37, 51, 57, 111, 323, 563, 629, 703, 969, 1689, 1887, 2109, 9571, 10697, 11951, 20831, 28713, 32091, 35853, 62493, 181849, 354127, 395789, 545547, 1062381, 1187367, 6728413, 20185239]

約数ペア:

[(1, 20185239), (3, 6728413), (17, 1187367), (19, 1062381), (37, 545547), (51, 395789), (57, 354127), (111, 181849), (323, 62493), (563, 35853), (629, 32091), (703, 28713), (969, 20831), (1689, 11951), (1887, 10697), (2109, 9571)]