20805543380

素因数分解:

$2^2\times 5^1\times {\mathrm{11527}}^1\times {\mathrm{90247}}^1$

素因数の和:101783

約数の個数: 24

約数和(自身を含む): 43695915648

約数和(自身を除く): 22890372268

約数列:

[1, 2, 4, 5, 10, 20, 11527, 23054, 46108, 57635, 90247, 115270, 180494, 230540, 360988, 451235, 902470, 1804940, 1040277169, 2080554338, 4161108676, 5201385845, 10402771690, 20805543380]

約数ペア:

[(1, 20805543380), (2, 10402771690), (4, 5201385845), (5, 4161108676), (10, 2080554338), (20, 1040277169), (11527, 1804940), (23054, 902470), (46108, 451235), (57635, 360988), (90247, 230540), (115270, 180494)]