20580464

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11383}}^1$

素因数の和:11504

約数の個数: 20

約数和(自身を含む): 40231056

約数和(自身を除く): 19650592

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11383, 22766, 45532, 91064, 182128, 1286279, 2572558, 5145116, 10290232, 20580464]

約数ペア:

[(1, 20580464), (2, 10290232), (4, 5145116), (8, 2572558), (16, 1286279), (113, 182128), (226, 91064), (452, 45532), (904, 22766), (1808, 11383)]