20808212638

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{920473}}^1$

素因数の和:920691

約数の個数: 16

約数和(自身を含む): 31811581440

約数和(自身を除く): 11003368802

約数列:

[1, 2, 89, 127, 178, 254, 11303, 22606, 920473, 1840946, 81922097, 116900071, 163844194, 233800142, 10404106319, 20808212638]

約数ペア:

[(1, 20808212638), (2, 10404106319), (89, 233800142), (127, 163844194), (178, 116900071), (254, 81922097), (11303, 1840946), (22606, 920473)]