20110513940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2229547}}^1$

素因数の和:2229608

約数の個数: 48

約数和(自身を含む): 47195072064

約数和(自身を除く): 27084558124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 2229547, 4459094, 8918188, 11147735, 22295470, 24525017, 44590940, 49050034, 91411427, 98100068, 122625085, 182822854, 245250170, 365645708, 457057135, 490500340, 914114270, 1005525697, 1828228540, 2011051394, 4022102788, 5027628485, 10055256970, 20110513940]

約数ペア:

[(1, 20110513940), (2, 10055256970), (4, 5027628485), (5, 4022102788), (10, 2011051394), (11, 1828228540), (20, 1005525697), (22, 914114270), (41, 490500340), (44, 457057135), (55, 365645708), (82, 245250170), (110, 182822854), (164, 122625085), (205, 98100068), (220, 91411427), (410, 49050034), (451, 44590940), (820, 24525017), (902, 22295470), (1804, 11147735), (2255, 8918188), (4510, 4459094), (9020, 2229547)]