20576664

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16811}}^1$

素因数の和:16840

約数の個数: 48

約数和(自身を含む): 59010120

約数和(自身を除く): 38433456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16811, 33622, 50433, 67244, 100866, 134488, 151299, 201732, 285787, 302598, 403464, 571574, 605196, 857361, 1143148, 1210392, 1714722, 2286296, 2572083, 3429444, 5144166, 6858888, 10288332, 20576664]

約数ペア:

[(1, 20576664), (2, 10288332), (3, 6858888), (4, 5144166), (6, 3429444), (8, 2572083), (9, 2286296), (12, 1714722), (17, 1210392), (18, 1143148), (24, 857361), (34, 605196), (36, 571574), (51, 403464), (68, 302598), (72, 285787), (102, 201732), (136, 151299), (153, 134488), (204, 100866), (306, 67244), (408, 50433), (612, 33622), (1224, 16811)]