20219394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 45650304

約数和(自身を除く): 25430910

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 67, 73, 78, 106, 134, 146, 159, 201, 219, 318, 402, 438, 689, 871, 949, 1378, 1742, 1898, 2067, 2613, 2847, 3551, 3869, 4134, 4891, 5226, 5694, 7102, 7738, 9782, 10653, 11607, 14673, 21306, 23214, 29346, 46163, 50297, 63583, 92326, 100594, 127166, 138489, 150891, 190749, 259223, 276978, 301782, 381498, 518446, 777669, 1555338, 3369899, 6739798, 10109697, 20219394]

約数ペア:

[(1, 20219394), (2, 10109697), (3, 6739798), (6, 3369899), (13, 1555338), (26, 777669), (39, 518446), (53, 381498), (67, 301782), (73, 276978), (78, 259223), (106, 190749), (134, 150891), (146, 138489), (159, 127166), (201, 100594), (219, 92326), (318, 63583), (402, 50297), (438, 46163), (689, 29346), (871, 23214), (949, 21306), (1378, 14673), (1742, 11607), (1898, 10653), (2067, 9782), (2613, 7738), (2847, 7102), (3551, 5694), (3869, 5226), (4134, 4891)]