20402296

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19134344

約数列:

[1, 2, 4, 8, 43, 86, 127, 172, 254, 344, 467, 508, 934, 1016, 1868, 3736, 5461, 10922, 20081, 21844, 40162, 43688, 59309, 80324, 118618, 160648, 237236, 474472, 2550287, 5100574, 10201148, 20402296]

約数ペア:

[(1, 20402296), (2, 10201148), (4, 5100574), (8, 2550287), (43, 474472), (86, 237236), (127, 160648), (172, 118618), (254, 80324), (344, 59309), (467, 43688), (508, 40162), (934, 21844), (1016, 20081), (1868, 10922), (3736, 5461)]