20302170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{1973}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 36549030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 1973, 2058, 3430, 3946, 5145, 5919, 9865, 10290, 11838, 13811, 19730, 27622, 29595, 41433, 59190, 69055, 82866, 96677, 138110, 193354, 207165, 290031, 414330, 483385, 580062, 676739, 966770, 1353478, 1450155, 2030217, 2900310, 3383695, 4060434, 6767390, 10151085, 20302170]

約数ペア:

[(1, 20302170), (2, 10151085), (3, 6767390), (5, 4060434), (6, 3383695), (7, 2900310), (10, 2030217), (14, 1450155), (15, 1353478), (21, 966770), (30, 676739), (35, 580062), (42, 483385), (49, 414330), (70, 290031), (98, 207165), (105, 193354), (147, 138110), (210, 96677), (245, 82866), (294, 69055), (343, 59190), (490, 41433), (686, 29595), (735, 27622), (1029, 19730), (1470, 13811), (1715, 11838), (1973, 10290), (2058, 9865), (3430, 5919), (3946, 5145)]