20707024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{881}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 43637832

約数和(自身を除く): 22930808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 881, 904, 1469, 1762, 1808, 2938, 3524, 5876, 7048, 11453, 11752, 14096, 22906, 23504, 45812, 91624, 99553, 183248, 199106, 398212, 796424, 1294189, 1592848, 2588378, 5176756, 10353512, 20707024]

約数ペア:

[(1, 20707024), (2, 10353512), (4, 5176756), (8, 2588378), (13, 1592848), (16, 1294189), (26, 796424), (52, 398212), (104, 199106), (113, 183248), (208, 99553), (226, 91624), (452, 45812), (881, 23504), (904, 22906), (1469, 14096), (1762, 11752), (1808, 11453), (2938, 7048), (3524, 5876)]