20524294

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 38624256

約数和(自身を除く): 18099962

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 131, 133, 217, 262, 266, 361, 434, 589, 722, 917, 1178, 1834, 2489, 2527, 4061, 4123, 4978, 5054, 8122, 8246, 11191, 17423, 22382, 28427, 34846, 47291, 56854, 77159, 78337, 94582, 154318, 156674, 331037, 540113, 662074, 1080226, 1466021, 2932042, 10262147, 20524294]

約数ペア:

[(1, 20524294), (2, 10262147), (7, 2932042), (14, 1466021), (19, 1080226), (31, 662074), (38, 540113), (62, 331037), (131, 156674), (133, 154318), (217, 94582), (262, 78337), (266, 77159), (361, 56854), (434, 47291), (589, 34846), (722, 28427), (917, 22382), (1178, 17423), (1834, 11191), (2489, 8246), (2527, 8122), (4061, 5054), (4123, 4978)]