20753992

素因数分解:

$2^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{761}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 44622720

約数和(自身を除く): 23868728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 487, 761, 974, 1522, 1948, 3044, 3409, 3896, 5327, 6088, 6818, 10654, 13636, 21308, 27272, 42616, 370607, 741214, 1482428, 2594249, 2964856, 5188498, 10376996, 20753992]

約数ペア:

[(1, 20753992), (2, 10376996), (4, 5188498), (7, 2964856), (8, 2594249), (14, 1482428), (28, 741214), (56, 370607), (487, 42616), (761, 27272), (974, 21308), (1522, 13636), (1948, 10654), (3044, 6818), (3409, 6088), (3896, 5327)]