20287386

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2729}}^1$

素因数の和:2803

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 30818214

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 59, 63, 118, 126, 177, 354, 413, 531, 826, 1062, 1239, 2478, 2729, 3717, 5458, 7434, 8187, 16374, 19103, 24561, 38206, 49122, 57309, 114618, 161011, 171927, 322022, 343854, 483033, 966066, 1127077, 1449099, 2254154, 2898198, 3381231, 6762462, 10143693, 20287386]

約数ペア:

[(1, 20287386), (2, 10143693), (3, 6762462), (6, 3381231), (7, 2898198), (9, 2254154), (14, 1449099), (18, 1127077), (21, 966066), (42, 483033), (59, 343854), (63, 322022), (118, 171927), (126, 161011), (177, 114618), (354, 57309), (413, 49122), (531, 38206), (826, 24561), (1062, 19103), (1239, 16374), (2478, 8187), (2729, 7434), (3717, 5458)]