20374480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36383}}^1$

素因数の和:36403

約数の個数: 40

約数和(自身を含む): 54139392

約数和(自身を除く): 33764912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36383, 72766, 145532, 181915, 254681, 291064, 363830, 509362, 582128, 727660, 1018724, 1273405, 1455320, 2037448, 2546810, 2910640, 4074896, 5093620, 10187240, 20374480]

約数ペア:

[(1, 20374480), (2, 10187240), (4, 5093620), (5, 4074896), (7, 2910640), (8, 2546810), (10, 2037448), (14, 1455320), (16, 1273405), (20, 1018724), (28, 727660), (35, 582128), (40, 509362), (56, 363830), (70, 291064), (80, 254681), (112, 181915), (140, 145532), (280, 72766), (560, 36383)]