20451612

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3457}}^1$

素因数の和:3510

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 31833348

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 174, 204, 348, 493, 986, 1479, 1972, 2958, 3457, 5916, 6914, 10371, 13828, 20742, 41484, 58769, 100253, 117538, 176307, 200506, 235076, 300759, 352614, 401012, 601518, 705228, 1203036, 1704301, 3408602, 5112903, 6817204, 10225806, 20451612]

約数ペア:

[(1, 20451612), (2, 10225806), (3, 6817204), (4, 5112903), (6, 3408602), (12, 1704301), (17, 1203036), (29, 705228), (34, 601518), (51, 401012), (58, 352614), (68, 300759), (87, 235076), (102, 200506), (116, 176307), (174, 117538), (204, 100253), (348, 58769), (493, 41484), (986, 20742), (1479, 13828), (1972, 10371), (2958, 6914), (3457, 5916)]