20119874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 33145200

約数和(自身を除く): 13025326

約数列:

[1, 2, 17, 34, 61, 89, 109, 122, 178, 218, 1037, 1513, 1853, 2074, 3026, 3706, 5429, 6649, 9701, 10858, 13298, 19402, 92293, 113033, 164917, 184586, 226066, 329834, 591761, 1183522, 10059937, 20119874]

約数ペア:

[(1, 20119874), (2, 10059937), (17, 1183522), (34, 591761), (61, 329834), (89, 226066), (109, 184586), (122, 164917), (178, 113033), (218, 92293), (1037, 19402), (1513, 13298), (1853, 10858), (2074, 9701), (3026, 6649), (3706, 5429)]