20251376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30871}}^1$

素因数の和:30920

約数の個数: 20

約数和(自身を含む): 40195344

約数和(自身を除く): 19943968

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30871, 61742, 123484, 246968, 493936, 1265711, 2531422, 5062844, 10125688, 20251376]

約数ペア:

[(1, 20251376), (2, 10125688), (4, 5062844), (8, 2531422), (16, 1265711), (41, 493936), (82, 246968), (164, 123484), (328, 61742), (656, 30871)]