20498874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 47443968

約数和(自身を除く): 26945094

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 43, 62, 66, 86, 93, 129, 186, 233, 258, 341, 466, 473, 682, 699, 946, 1023, 1333, 1398, 1419, 2046, 2563, 2666, 2838, 3999, 5126, 7223, 7689, 7998, 10019, 14446, 14663, 15378, 20038, 21669, 29326, 30057, 43338, 43989, 60114, 79453, 87978, 110209, 158906, 220418, 238359, 310589, 330627, 476718, 621178, 661254, 931767, 1863534, 3416479, 6832958, 10249437, 20498874]

約数ペア:

[(1, 20498874), (2, 10249437), (3, 6832958), (6, 3416479), (11, 1863534), (22, 931767), (31, 661254), (33, 621178), (43, 476718), (62, 330627), (66, 310589), (86, 238359), (93, 220418), (129, 158906), (186, 110209), (233, 87978), (258, 79453), (341, 60114), (466, 43989), (473, 43338), (682, 30057), (699, 29326), (946, 21669), (1023, 20038), (1333, 15378), (1398, 14663), (1419, 14446), (2046, 10019), (2563, 7998), (2666, 7689), (2838, 7223), (3999, 5126)]