20165768

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8783}}^1$

素因数の和:8837

約数の個数: 32

約数和(自身を含む): 44271360

約数和(自身を除く): 24105592

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8783, 17566, 35132, 61481, 70264, 122962, 245924, 360103, 491848, 720206, 1440412, 2520721, 2880824, 5041442, 10082884, 20165768]

約数ペア:

[(1, 20165768), (2, 10082884), (4, 5041442), (7, 2880824), (8, 2520721), (14, 1440412), (28, 720206), (41, 491848), (56, 360103), (82, 245924), (164, 122962), (287, 70264), (328, 61481), (574, 35132), (1148, 17566), (2296, 8783)]