20984544

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{1487}}^1$

素因数の和:1517

約数の個数: 108

約数和(自身を含む): 69464304

約数和(自身を除く): 48479760

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1487, 1568, 1764, 2016, 2352, 2974, 3528, 4461, 4704, 5948, 7056, 8922, 10409, 11896, 13383, 14112, 17844, 20818, 23792, 26766, 31227, 35688, 41636, 47584, 53532, 62454, 71376, 72863, 83272, 93681, 107064, 124908, 142752, 145726, 166544, 187362, 214128, 218589, 249816, 291452, 333088, 374724, 428256, 437178, 499632, 582904, 655767, 749448, 874356, 999264, 1165808, 1311534, 1498896, 1748712, 2331616, 2623068, 2997792, 3497424, 5246136, 6994848, 10492272, 20984544]

約数ペア:

[(1, 20984544), (2, 10492272), (3, 6994848), (4, 5246136), (6, 3497424), (7, 2997792), (8, 2623068), (9, 2331616), (12, 1748712), (14, 1498896), (16, 1311534), (18, 1165808), (21, 999264), (24, 874356), (28, 749448), (32, 655767), (36, 582904), (42, 499632), (48, 437178), (49, 428256), (56, 374724), (63, 333088), (72, 291452), (84, 249816), (96, 218589), (98, 214128), (112, 187362), (126, 166544), (144, 145726), (147, 142752), (168, 124908), (196, 107064), (224, 93681), (252, 83272), (288, 72863), (294, 71376), (336, 62454), (392, 53532), (441, 47584), (504, 41636), (588, 35688), (672, 31227), (784, 26766), (882, 23792), (1008, 20818), (1176, 17844), (1487, 14112), (1568, 13383), (1764, 11896), (2016, 10409), (2352, 8922), (2974, 7056), (3528, 5948), (4461, 4704)]