20258896

素因数分解:

$2^4\times 7^1\times {\mathrm{180883}}^1$

素因数の和:180898

約数の個数: 20

約数和(自身を含む): 44859232

約数和(自身を除く): 24600336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180883, 361766, 723532, 1266181, 1447064, 2532362, 2894128, 5064724, 10129448, 20258896]

約数ペア:

[(1, 20258896), (2, 10129448), (4, 5064724), (7, 2894128), (8, 2532362), (14, 1447064), (16, 1266181), (28, 723532), (56, 361766), (112, 180883)]