20189187712

素因数分解:

$2^7\times {\mathrm{617}}^1\times {\mathrm{255637}}^1$

素因数の和:256268

約数の個数: 32

約数和(自身を含む): 40285992420

約数和(自身を除く): 20096804708

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 617, 1234, 2468, 4936, 9872, 19744, 39488, 78976, 255637, 511274, 1022548, 2045096, 4090192, 8180384, 16360768, 32721536, 157728029, 315456058, 630912116, 1261824232, 2523648464, 5047296928, 10094593856, 20189187712]

約数ペア:

[(1, 20189187712), (2, 10094593856), (4, 5047296928), (8, 2523648464), (16, 1261824232), (32, 630912116), (64, 315456058), (128, 157728029), (617, 32721536), (1234, 16360768), (2468, 8180384), (4936, 4090192), (9872, 2045096), (19744, 1022548), (39488, 511274), (78976, 255637)]