20988420768

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{221509}}^1$

素因数の和:221579

約数の個数: 144

約数和(自身を含む): 69664008960

約数和(自身を除く): 48675588192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 47, 48, 56, 63, 72, 84, 94, 96, 112, 126, 141, 144, 168, 188, 224, 252, 282, 288, 329, 336, 376, 423, 504, 564, 658, 672, 752, 846, 987, 1008, 1128, 1316, 1504, 1692, 1974, 2016, 2256, 2632, 2961, 3384, 3948, 4512, 5264, 5922, 6768, 7896, 10528, 11844, 13536, 15792, 23688, 31584, 47376, 94752, 221509, 443018, 664527, 886036, 1329054, 1550563, 1772072, 1993581, 2658108, 3101126, 3544144, 3987162, 4651689, 5316216, 6202252, 7088288, 7974324, 9303378, 10410923, 10632432, 12404504, 13955067, 15948648, 18606756, 20821846, 21264864, 24809008, 27910134, 31232769, 31897296, 37213512, 41643692, 49618016, 55820268, 62465538, 63794592, 72876461, 74427024, 83287384, 93698307, 111640536, 124931076, 145752922, 148854048, 166574768, 187396614, 218629383, 223281072, 249862152, 291505844, 333149536, 374793228, 437258766, 446562144, 499724304, 583011688, 655888149, 749586456, 874517532, 999448608, 1166023376, 1311776298, 1499172912, 1749035064, 2332046752, 2623552596, 2998345824, 3498070128, 5247105192, 6996140256, 10494210384, 20988420768]

約数ペア:

[(1, 20988420768), (2, 10494210384), (3, 6996140256), (4, 5247105192), (6, 3498070128), (7, 2998345824), (8, 2623552596), (9, 2332046752), (12, 1749035064), (14, 1499172912), (16, 1311776298), (18, 1166023376), (21, 999448608), (24, 874517532), (28, 749586456), (32, 655888149), (36, 583011688), (42, 499724304), (47, 446562144), (48, 437258766), (56, 374793228), (63, 333149536), (72, 291505844), (84, 249862152), (94, 223281072), (96, 218629383), (112, 187396614), (126, 166574768), (141, 148854048), (144, 145752922), (168, 124931076), (188, 111640536), (224, 93698307), (252, 83287384), (282, 74427024), (288, 72876461), (329, 63794592), (336, 62465538), (376, 55820268), (423, 49618016), (504, 41643692), (564, 37213512), (658, 31897296), (672, 31232769), (752, 27910134), (846, 24809008), (987, 21264864), (1008, 20821846), (1128, 18606756), (1316, 15948648), (1504, 13955067), (1692, 12404504), (1974, 10632432), (2016, 10410923), (2256, 9303378), (2632, 7974324), (2961, 7088288), (3384, 6202252), (3948, 5316216), (4512, 4651689), (5264, 3987162), (5922, 3544144), (6768, 3101126), (7896, 2658108), (10528, 1993581), (11844, 1772072), (13536, 1550563), (15792, 1329054), (23688, 886036), (31584, 664527), (47376, 443018), (94752, 221509)]