20726156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11489}}^1$

素因数の和:11545

約数の個数: 24

約数和(自身を含む): 40536720

約数和(自身を除く): 19810564

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11489, 22978, 45956, 126379, 252758, 471049, 505516, 942098, 1884196, 5181539, 10363078, 20726156]

約数ペア:

[(1, 20726156), (2, 10363078), (4, 5181539), (11, 1884196), (22, 942098), (41, 505516), (44, 471049), (82, 252758), (164, 126379), (451, 45956), (902, 22978), (1804, 11489)]