20197471568

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{2333}}^1\times {\mathrm{2719}}^1$

素因数の和:5259

約数の個数: 40

約数和(自身を含む): 39360576000

約数和(自身を除く): 19163104432

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 2333, 2719, 3184, 4666, 5438, 9332, 10876, 18664, 21752, 37328, 43504, 464267, 541081, 928534, 1082162, 1857068, 2164324, 3714136, 4328648, 6343427, 7428272, 8657296, 12686854, 25373708, 50747416, 101494832, 1262341973, 2524683946, 5049367892, 10098735784, 20197471568]

約数ペア:

[(1, 20197471568), (2, 10098735784), (4, 5049367892), (8, 2524683946), (16, 1262341973), (199, 101494832), (398, 50747416), (796, 25373708), (1592, 12686854), (2333, 8657296), (2719, 7428272), (3184, 6343427), (4666, 4328648), (5438, 3714136), (9332, 2164324), (10876, 1857068), (18664, 1082162), (21752, 928534), (37328, 541081), (43504, 464267)]