20664378

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3347}}^1$

素因数の和:3376

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 31564422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3347, 6174, 6694, 10041, 20082, 23429, 30123, 46858, 60246, 70287, 140574, 164003, 210861, 328006, 421722, 492009, 984018, 1148021, 1476027, 2296042, 2952054, 3444063, 6888126, 10332189, 20664378]

約数ペア:

[(1, 20664378), (2, 10332189), (3, 6888126), (6, 3444063), (7, 2952054), (9, 2296042), (14, 1476027), (18, 1148021), (21, 984018), (42, 492009), (49, 421722), (63, 328006), (98, 210861), (126, 164003), (147, 140574), (294, 70287), (343, 60246), (441, 46858), (686, 30123), (882, 23429), (1029, 20082), (2058, 10041), (3087, 6694), (3347, 6174)]