20295496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10271}}^1$

素因数の和:10309

約数の個数: 32

約数和(自身を含む): 43142400

約数和(自身を除く): 22846904

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10271, 20542, 41084, 82168, 133523, 195149, 267046, 390298, 534092, 780596, 1068184, 1561192, 2536937, 5073874, 10147748, 20295496]

約数ペア:

[(1, 20295496), (2, 10147748), (4, 5073874), (8, 2536937), (13, 1561192), (19, 1068184), (26, 780596), (38, 534092), (52, 390298), (76, 267046), (104, 195149), (152, 133523), (247, 82168), (494, 41084), (988, 20542), (1976, 10271)]