20806041612

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{166667}}^1$

素因数の和:166878

約数の個数: 48

約数和(自身を含む): 49504396032

約数和(自身を除く): 28698354420

約数列:

[1, 2, 3, 4, 6, 12, 101, 103, 202, 206, 303, 309, 404, 412, 606, 618, 1212, 1236, 10403, 20806, 31209, 41612, 62418, 124836, 166667, 333334, 500001, 666668, 1000002, 2000004, 16833367, 17166701, 33666734, 34333402, 50500101, 51500103, 67333468, 68666804, 101000202, 103000206, 202000404, 206000412, 1733836801, 3467673602, 5201510403, 6935347204, 10403020806, 20806041612]

約数ペア:

[(1, 20806041612), (2, 10403020806), (3, 6935347204), (4, 5201510403), (6, 3467673602), (12, 1733836801), (101, 206000412), (103, 202000404), (202, 103000206), (206, 101000202), (303, 68666804), (309, 67333468), (404, 51500103), (412, 50500101), (606, 34333402), (618, 33666734), (1212, 17166701), (1236, 16833367), (10403, 2000004), (20806, 1000002), (31209, 666668), (41612, 500001), (62418, 333334), (124836, 166667)]