20677756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6619}}^1$

素因数の和:6705

約数の個数: 24

約数和(自身を含む): 40037760

約数和(自身を除く): 19360004

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6619, 13238, 26476, 72809, 145618, 291236, 469949, 939898, 1879796, 5169439, 10338878, 20677756]

約数ペア:

[(1, 20677756), (2, 10338878), (4, 5169439), (11, 1879796), (22, 939898), (44, 469949), (71, 291236), (142, 145618), (284, 72809), (781, 26476), (1562, 13238), (3124, 6619)]