20817495864

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{430897}}^1$

素因数の和:430981

約数の個数: 96

約数和(自身を含む): 62514681840

約数和(自身を除く): 41697185976

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 61, 66, 72, 88, 99, 122, 132, 183, 198, 244, 264, 366, 396, 488, 549, 671, 732, 792, 1098, 1342, 1464, 2013, 2196, 2684, 4026, 4392, 5368, 6039, 8052, 12078, 16104, 24156, 48312, 430897, 861794, 1292691, 1723588, 2585382, 3447176, 3878073, 4739867, 5170764, 7756146, 9479734, 10341528, 14219601, 15512292, 18959468, 26284717, 28439202, 31024584, 37918936, 42658803, 52569434, 56878404, 78854151, 85317606, 105138868, 113756808, 157708302, 170635212, 210277736, 236562453, 289131887, 315416604, 341270424, 473124906, 578263774, 630833208, 867395661, 946249812, 1156527548, 1734791322, 1892499624, 2313055096, 2602186983, 3469582644, 5204373966, 6939165288, 10408747932, 20817495864]

約数ペア:

[(1, 20817495864), (2, 10408747932), (3, 6939165288), (4, 5204373966), (6, 3469582644), (8, 2602186983), (9, 2313055096), (11, 1892499624), (12, 1734791322), (18, 1156527548), (22, 946249812), (24, 867395661), (33, 630833208), (36, 578263774), (44, 473124906), (61, 341270424), (66, 315416604), (72, 289131887), (88, 236562453), (99, 210277736), (122, 170635212), (132, 157708302), (183, 113756808), (198, 105138868), (244, 85317606), (264, 78854151), (366, 56878404), (396, 52569434), (488, 42658803), (549, 37918936), (671, 31024584), (732, 28439202), (792, 26284717), (1098, 18959468), (1342, 15512292), (1464, 14219601), (2013, 10341528), (2196, 9479734), (2684, 7756146), (4026, 5170764), (4392, 4739867), (5368, 3878073), (6039, 3447176), (8052, 2585382), (12078, 1723588), (16104, 1292691), (24156, 861794), (48312, 430897)]