20192120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 51386400

約数和(自身を除く): 31194280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 103, 104, 116, 130, 145, 169, 206, 232, 260, 290, 338, 377, 412, 515, 520, 580, 676, 754, 824, 845, 1030, 1160, 1339, 1352, 1508, 1690, 1885, 2060, 2678, 2987, 3016, 3380, 3770, 4120, 4901, 5356, 5974, 6695, 6760, 7540, 9802, 10712, 11948, 13390, 14935, 15080, 17407, 19604, 23896, 24505, 26780, 29870, 34814, 38831, 39208, 49010, 53560, 59740, 69628, 77662, 87035, 98020, 119480, 139256, 155324, 174070, 194155, 196040, 310648, 348140, 388310, 504803, 696280, 776620, 1009606, 1553240, 2019212, 2524015, 4038424, 5048030, 10096060, 20192120]

約数ペア:

[(1, 20192120), (2, 10096060), (4, 5048030), (5, 4038424), (8, 2524015), (10, 2019212), (13, 1553240), (20, 1009606), (26, 776620), (29, 696280), (40, 504803), (52, 388310), (58, 348140), (65, 310648), (103, 196040), (104, 194155), (116, 174070), (130, 155324), (145, 139256), (169, 119480), (206, 98020), (232, 87035), (260, 77662), (290, 69628), (338, 59740), (377, 53560), (412, 49010), (515, 39208), (520, 38831), (580, 34814), (676, 29870), (754, 26780), (824, 24505), (845, 23896), (1030, 19604), (1160, 17407), (1339, 15080), (1352, 14935), (1508, 13390), (1690, 11948), (1885, 10712), (2060, 9802), (2678, 7540), (2987, 6760), (3016, 6695), (3380, 5974), (3770, 5356), (4120, 4901)]