20792480

素因数分解:

$2^5\times 5^1\times {\mathrm{129953}}^1$

素因数の和:129968

約数の個数: 24

約数和(自身を含む): 49122612

約数和(自身を除く): 28330132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 129953, 259906, 519812, 649765, 1039624, 1299530, 2079248, 2599060, 4158496, 5198120, 10396240, 20792480]

約数ペア:

[(1, 20792480), (2, 10396240), (4, 5198120), (5, 4158496), (8, 2599060), (10, 2079248), (16, 1299530), (20, 1039624), (32, 649765), (40, 519812), (80, 259906), (160, 129953)]