20175256

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 18854504

約数列:

[1, 2, 4, 8, 43, 86, 172, 223, 263, 344, 446, 526, 892, 1052, 1784, 2104, 9589, 11309, 19178, 22618, 38356, 45236, 58649, 76712, 90472, 117298, 234596, 469192, 2521907, 5043814, 10087628, 20175256]

約数ペア:

[(1, 20175256), (2, 10087628), (4, 5043814), (8, 2521907), (43, 469192), (86, 234596), (172, 117298), (223, 90472), (263, 76712), (344, 58649), (446, 45236), (526, 38356), (892, 22618), (1052, 19178), (1784, 11309), (2104, 9589)]