20512142

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 36655104

約数和(自身を除く): 16142962

約数列:

[1, 2, 7, 14, 31, 62, 151, 217, 302, 313, 434, 626, 1057, 2114, 2191, 4382, 4681, 9362, 9703, 19406, 32767, 47263, 65534, 67921, 94526, 135842, 330841, 661682, 1465153, 2930306, 10256071, 20512142]

約数ペア:

[(1, 20512142), (2, 10256071), (7, 2930306), (14, 1465153), (31, 661682), (62, 330841), (151, 135842), (217, 94526), (302, 67921), (313, 65534), (434, 47263), (626, 32767), (1057, 19406), (2114, 9703), (2191, 9362), (4382, 4681)]