20705784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 57075840

約数和(自身を除く): 36370056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 107, 132, 214, 264, 321, 428, 642, 733, 856, 1177, 1284, 1466, 2199, 2354, 2568, 2932, 3531, 4398, 4708, 5864, 7062, 8063, 8796, 9416, 14124, 16126, 17592, 24189, 28248, 32252, 48378, 64504, 78431, 96756, 156862, 193512, 235293, 313724, 470586, 627448, 862741, 941172, 1725482, 1882344, 2588223, 3450964, 5176446, 6901928, 10352892, 20705784]

約数ペア:

[(1, 20705784), (2, 10352892), (3, 6901928), (4, 5176446), (6, 3450964), (8, 2588223), (11, 1882344), (12, 1725482), (22, 941172), (24, 862741), (33, 627448), (44, 470586), (66, 313724), (88, 235293), (107, 193512), (132, 156862), (214, 96756), (264, 78431), (321, 64504), (428, 48378), (642, 32252), (733, 28248), (856, 24189), (1177, 17592), (1284, 16126), (1466, 14124), (2199, 9416), (2354, 8796), (2568, 8063), (2932, 7062), (3531, 5864), (4398, 4708)]