20269466

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 36865920

約数和(自身を除く): 16596454

約数列:

[1, 2, 7, 14, 19, 38, 133, 181, 266, 362, 421, 842, 1267, 2534, 2947, 3439, 5894, 6878, 7999, 15998, 24073, 48146, 55993, 76201, 111986, 152402, 533407, 1066814, 1447819, 2895638, 10134733, 20269466]

約数ペア:

[(1, 20269466), (2, 10134733), (7, 2895638), (14, 1447819), (19, 1066814), (38, 533407), (133, 152402), (181, 111986), (266, 76201), (362, 55993), (421, 48146), (842, 24073), (1267, 15998), (2534, 7999), (2947, 6878), (3439, 5894)]