20565886964

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25327447}}^1$

素因数の和:25327487

約数の個数: 24

約数和(自身を含む): 42550112640

約数和(自身を除く): 21984225676

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25327447, 50654894, 101309788, 177292129, 354584258, 709168516, 734495963, 1468991926, 2937983852, 5141471741, 10282943482, 20565886964]

約数ペア:

[(1, 20565886964), (2, 10282943482), (4, 5141471741), (7, 2937983852), (14, 1468991926), (28, 734495963), (29, 709168516), (58, 354584258), (116, 177292129), (203, 101309788), (406, 50654894), (812, 25327447)]