20772776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8039}}^1$

素因数の和:8081

約数の個数: 32

約数和(自身を含む): 43416000

約数和(自身を除く): 22643224

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8039, 16078, 32156, 64312, 136663, 152741, 273326, 305482, 546652, 610964, 1093304, 1221928, 2596597, 5193194, 10386388, 20772776]

約数ペア:

[(1, 20772776), (2, 10386388), (4, 5193194), (8, 2596597), (17, 1221928), (19, 1093304), (34, 610964), (38, 546652), (68, 305482), (76, 273326), (136, 152741), (152, 136663), (323, 64312), (646, 32156), (1292, 16078), (2584, 8039)]