20909376

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1220

約数の個数: 84

約数和(自身を含む): 61919104

約数和(自身を除く): 41009728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 144, 186, 192, 248, 279, 288, 372, 496, 558, 576, 744, 992, 1116, 1171, 1488, 1984, 2232, 2342, 2976, 3513, 4464, 4684, 5952, 7026, 8928, 9368, 10539, 14052, 17856, 18736, 21078, 28104, 36301, 37472, 42156, 56208, 72602, 74944, 84312, 108903, 112416, 145204, 168624, 217806, 224832, 290408, 326709, 337248, 435612, 580816, 653418, 674496, 871224, 1161632, 1306836, 1742448, 2323264, 2613672, 3484896, 5227344, 6969792, 10454688, 20909376]

約数ペア:

[(1, 20909376), (2, 10454688), (3, 6969792), (4, 5227344), (6, 3484896), (8, 2613672), (9, 2323264), (12, 1742448), (16, 1306836), (18, 1161632), (24, 871224), (31, 674496), (32, 653418), (36, 580816), (48, 435612), (62, 337248), (64, 326709), (72, 290408), (93, 224832), (96, 217806), (124, 168624), (144, 145204), (186, 112416), (192, 108903), (248, 84312), (279, 74944), (288, 72602), (372, 56208), (496, 42156), (558, 37472), (576, 36301), (744, 28104), (992, 21078), (1116, 18736), (1171, 17856), (1488, 14052), (1984, 10539), (2232, 9368), (2342, 8928), (2976, 7026), (3513, 5952), (4464, 4684)]