20597360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36781}}^1$

素因数の和:36801

約数の個数: 40

約数和(自身を含む): 54731616

約数和(自身を除く): 34134256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36781, 73562, 147124, 183905, 257467, 294248, 367810, 514934, 588496, 735620, 1029868, 1287335, 1471240, 2059736, 2574670, 2942480, 4119472, 5149340, 10298680, 20597360]

約数ペア:

[(1, 20597360), (2, 10298680), (4, 5149340), (5, 4119472), (7, 2942480), (8, 2574670), (10, 2059736), (14, 1471240), (16, 1287335), (20, 1029868), (28, 735620), (35, 588496), (40, 514934), (56, 367810), (70, 294248), (80, 257467), (112, 183905), (140, 147124), (280, 73562), (560, 36781)]