20199152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:581

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21048208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 131, 184, 262, 368, 419, 524, 838, 1048, 1676, 2096, 3013, 3352, 6026, 6704, 9637, 12052, 19274, 24104, 38548, 48208, 54889, 77096, 109778, 154192, 219556, 439112, 878224, 1262447, 2524894, 5049788, 10099576, 20199152]

約数ペア:

[(1, 20199152), (2, 10099576), (4, 5049788), (8, 2524894), (16, 1262447), (23, 878224), (46, 439112), (92, 219556), (131, 154192), (184, 109778), (262, 77096), (368, 54889), (419, 48208), (524, 38548), (838, 24104), (1048, 19274), (1676, 12052), (2096, 9637), (3013, 6704), (3352, 6026)]